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      1. ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

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        ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

        ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

         

        ISOMET公司主要生產各種聲光器件,包括聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器。

        聲光調制器件由聲光介質和壓電換能器構成。當驅動源的某種特定載波頻率驅動換能器時,換能器即產生同一頻率的超聲波并傳入聲光介質,在介質內形成折射率變化,光束通過介質時即發生相互作用而改變光的傳播方向即產生衍射。聲光調制是一種外調制技術,通常把控制激光束強度變化的聲光器件稱作聲光調制器。聲光調制技術比光源的直接調制技術有高得多的調制頻率;與電光調制技術相比,它有更高的消光比(一般大于1000:1),更低的驅動功率,更優良的溫度穩定性和更好的光點質量以及低的價格;與機械調制方式相比,它有更小的體積、重量和更好的輸出波形。

        All AO devices feature a piezo-electric transducer bonded to one face of a crystal material. When an RF drive signal is applied to this transducer, a travelling acoustic wave is generated in the crystal. Due to the photo-elastic effect the acoustic column produces a periodic change in the refractive index, similar in effect to the slits of a diffraction grating. Practical AO devices are designed such that a high proportion of the incident laser light is diffracted into a single output order. This is operation in the Bragg regime.

        ISOMET聲光調制器, 聲光偏轉器, 聲光移頻器, AOTF, 聲光可調諧濾波器

        Bragg diffraction requires a defined interaction length (L), and the laser light to be input at a specific angle. The Bragg and separation angles are a function of the optical wavelength, the RF drive frequency and the crystal acoustic velocity (V). Some AO crystal types require the input beam to be polarized.
        The RF drive frequency determines the output angle of the diffracted beam and the RF power determines the beam intensity. These are the basic control mechanisms of AO modulators and deflectors.

         

        聲光調制器 Acousto-optics Modulators

        Acousto-optic modulators (AOM) are used to control laser beam intensity.

        This can be simple ON:OFF modulation for fast switching or variable level modulation to provide proportional intensity control. These modes are determined by the RF driver type; digital or analog modulation respectively (or a combination of both).

        The RF drive frequency is typically fixed and the RF amplitude is modulated accordingly.

        The optical rise and fall time is defined by the laser beam diameter in the AOM and the crystal acoustic velocity. For high modulation rates, the beam will need to be focused at the AOM.

        Model
        Crystal Material
        Active App(mm)
        Typical Risetime (ns)
        Typical Modulation Freq. (MHz)
        Center Freq. (MHz)
        Suggested Driver
        Fixed or Variable Frequency
        Feature
        Single Beam Modulators: UV - Blue
        M1062-FS40L-5.5
        Fused Silica
        5.5
        600
        0.6
        40
        Fixed / Variable
        M1211-aQ110-5U
        Quartz
        5
        570
        0.6
        110
        Fixed / Variable
        Low WF Distortion
        M1211-aQ150-3U
        Quartz
        2.7
        230
        1.5
        150
        Fixed / Variable
        Low WF Distortion
        M1212-aQ150-2
        Quartz
        2
        113
        6
        150
        Fixed / Variable
        UV
        M1134-FS80L
        Fused Silica
        3
        109
        3
        80
        Fixed / Variable
        M1136B-FS80L-H
        Fused Silica
        2001/2/3
        108
        10
        80
        Fixed / Variable
        M1088-FS110L
        Fused Silica
        3
        109
        3
        110
        Fixed / Variable
        UV
        M1133U-aQ110L
        Quartz
        1
        57
        6
        110
        Fixed / Variable
        UV
        M1211-aQ150-2U
        Quartz
        2
        57
        6
        150
        Fixed / Variable
        UV
        1206C-2-1002
        TeO2
        2
        30
        12
        110
        Fixed / Variable
        NUV, VIS 
        M1211-aQ150-2U
        Quartz
        2
        25
        14
        150
        Fixed / Variable
        UV 
        M1212-aQ175
        Quartz
        1
        20
        18
        175
        Fixed / Variable
        UV
        1206C-833
        TeO2
        1
        15
        25
        110
        Fixed / Variable
        NUV, VIS 
        M1212-aQ200
        Quartz
        0.8
        10
        30
        175
        Fixed / Variable
        UV
        1250C-829A
        TeO2
        0.45
        9
        40
        260
        Fixed / Variable
        NUV, VIS
        Single Beam Modulators: Blue - Red
        OAM1020
        TeO2 (S)
        3
        2000
        0.2
        110
        Fixed / Variable
        OAM1060
        TeO2 (S)
        2
        1000
        0.3
        80
        Fixed / Variable
        M1115-FS80L-3
        Fused Silica
        3(H)x14(W)
        170
        2
        80
        Fixed / Variable
        M1133-aQ80L
        Quartz
        1.5 / 2
        114
        3
        80
        Fixed / Variable
        M1201E-SF40-1.7
        Glass
        1.7
        46
        8
        40
        Fixed / Variable
        1205C-x
        PbMo04
        2001/2/3
        25
        15
        80
        Fixed / Variable
        M1211-aQ110-3
        Quartz
        2.7
        57
        6
        110
        Fixed / Variable
        Low WF Distortion
        1206C
        PbMo04
        1
        15
        25
        110
        Fixed / Variable
        1206C-833
        TeO2
        1
        15
        25
        110
        Fixed / Variable
        1206C-2-1002
        TeO2
        2
        30
        12
        110
        Fixed / Variable
        1250C
        PbMo04
        0.75
        10
        40
        200
        Fixed / Variable
        1250C-829A
        TeO2
        0.45
        9
        40
        260
        Fixed / Variable
        1250C-848
        TeO2
        0.5
        7
        50
        200
        Fixed / Variable
        1250C-974
        TeO2
        0.4
        7
        50
        200
        Fixed / Variable
        M1067-T200L
        TeO2
        0.2
        7
        50
        200
        Fixed / Variable
        1260C
        TeO2
        0.2
        6
        100
        350
        Fixed / Variable
        Single Beam Modulators: NIR
        M1312-T80L
        TeO2
        6
        700
        0.5
        80
        Fixed / Variable
        Hi Pwr
        1202-4
        Glass
        4 x 14(W)
        350
        1
        40
        Fixed / Variable
        1203-3
        Fused Silica
        3 x 14(W)
        350
        1
        60
        Fixed / Variable
        M1099-T80L
        TeO2
        3
        300
        1.2
        80
        Fixed / Variable
        M1135-T80L
        TeO2
        3
        300
        1.2
        80
        Fixed / Variable
        Hi Pwr
        M1137-SF40L
        Glass
        1.5
        191
        2
        40
        Fixed / Variable
        M1133-aQ80L
        Quartz
        1
        114
        3
        80
        Fixed / Variable
        M1201E-SF40-1.7
        Glass
        1.7
        90
        4
        40
        Fixed / Variable
        M1080-T80L
        TeO2
        1.5
        80
        4
        80
        Fixed / Variable
        1205C-1023
        PbMo04
        0.6
        50
        7
        80
        Fixed / Variable
        M1142-SF80L
        Glass
        0.5
        40
        10
        80
        Fixed / Variable
        1205C-x-NIR
        PbMo04
        0.5
        30
        12
        80
        Fixed / Variable
        1205C-843
        PbMo04
        0.5
        25
        15
        80
        Fixed / Variable
        1206C-NIR
        PbMo04
        1
        20
        18
        110
        Fixed / Variable
        1250C-868
        TeO2
        0.5
        15
        23
        150
        Fixed / Variable
        1250C-NIR
        PbMo04
        0.75
        12
        30
        200
        Fixed / Variable
        Single Beam Modulators: Mid IR - IR
        1210-G(fc)-H-MIR
        Ge
        2,4
        240
        10
        60- 105
        Fixed / Variable
        M1208-G80-4-MIR
        Ge
        4x8
        500
        10
        80
        Fixed / Variable
        New version of 1208-6-4-MIR
        M1189-G40-4
        Ge
        4
        470
        0.7
        40
        Fixed / Variable
        M1208-G40-3
        Ge
        3x8
        350
        1
        40
        Fixed / Variable
        New version of 1208-4-955M
        1209-7-1064M
        Ge
        7x14
        830
        0.4
        40
        Fixed / Variable
        1209-7-1112M
        Ge
        7x14
        830
        0.4
        40
        Fixed / Variable
        1209-9-1010M
        Ge
        9x20
        940
        0.4
        40
        Fixed / Variable
        AOM650-H
        Ge
        7,8,9x30
        830
        0.4
        50
        Fixed / Variable
        AOM640-H
        Ge
        7,8,9x30
        830
        0.4
        40
        Fixed / Variable
        AOM740-H
        Ge
        7,8,9x30
        830
        0.4
        40
        Fixed / Variable
        M1199-G40-H
        Ge
        7,8,9x30
        700
        0.5
        40
        Fixed / Variable
        Pulsed lasers
        M1310-G40-H
        Ge
        7,8,9x30
        700
        0.5
        40
        Fixed / Variable
        Pulsed lasers
        M1315-G40
        Ge
        6,7,8,9x15
        700
        0.5
        40
        Fixed / Variable
        M1192-G40-12
        Ge
        12 x 30
        1200
        0.3
        40
        Fixed / Variable
        Large aperture
        Dual Beam Modulators
        AOM650-9
        Ge
        9 x 30
        600
        0.6
        40 / 60
         
        M1199-G50-9
        Ge
        9 x 30
        600
        0.6
        40 / 60
          Pulsed lasers
        DBM1172-G41-9
        Ge
        9 x 20
        600
        0.6
        43 / -43
         
        DBM1186-G54-9
        Ge
        9 x 20
        600
        0.6
        54 / -54
         
        DBM1199-G54-9
        Ge
        9 x 20
        600
        0.6
        54 / -54
         
        Multichannel Modulators
        Model
        Channels
        Material
        Active Aperture (mm)
        Typical Risetime (ns)
        Information Bandwidth (MHz)
        Center Freq. (MHz)
        Feature
        M1140
        4
        PbMoO4
        0.7
        25
        15
        110
        G7060
        6
        Ge
        0.8
        70
        5
        70
        M8080
        8
        PbMoO4
        0.5
        55
        6
        80
        M9080C
        8
        PbMoO4
        0.7
        36
        9
        90
        colinear o/p
        M15080
        8
        Quartz
        0.7
        70
        5
        110
        Modulators with Integrated Driver
        Model
        Std A/R
        Optical Material
        Max Aperture (mm)
        Typical Risetime (ns)
        Typical Modulation Freq. (MHz)
        Center Freq. (MHz)
        Mod
        IMAD-P80L
        VIS
        PbMo04
        1.5
        25
        15
        80
        Analog
        IMDD-P80L
        VIS
        PbMo04
        1.5
        25
        15
        80
        Digital
        IMAD-T110L
        405nm
        TeO2
        1.5
        25
        15
        110
        Analog
        IMDD-T110L
        405nm
        TeO2
        1.5
        25
        15
        110
        Digital
        IMAA-P80L
        VIS
        PbMo04
        1.5
        25
        15
        80
        Amp Only

         

        聲光移頻器 Frequency Shifters

        All AO devices apply a frequency shift to the diffracted output beams. Acousto-optic frequency shifters (AOFS) are compact devices designed specifically for this task. Depending on the selected Bragg angle, these devices will either up-shift or down-shift the laser light by the frequency of the applied RF signal. Two or more devices can be cascaded in order to achieve sum or difference frequency combinations. Compound absorber angles are incorporated to minimize acoustic reflections.

        Model
        Std A/R
        Crystal Material
        Active App (mm)
        Centre Freq(MHz)
        Tuning BW (MHz)
        Suggested Driver Fixed or Variable Frequency
        Feature
        OAM1059-V31
        633nm
        TeO2 (S)
        1.5
        +/-10
        +/- 0.5
        Fixed / Variable
        + and - shift
        OAM1059A
        633nm
        TeO2 (S)
        1.5
        15
        +/- 1.0
        Fixed / Variable
        FS1303-TxxxR-J2
        NIR
        TeO2 (S)
        2
        xxx
        +/- 1.0
        Fixed / Variable
        OAM1141-TxxS-2
        633nm
        TeO2 (S)
        2
        40 / 80
        +/- 1.0
        Fixed / Variable
        M1136A-FS40S-1
        UV
        FS (S)
        1
        40
        +/- 5
        Fixed / Variable
        1205C-1-869
        633nm
        PbMo04
        0.7
        80
        +/- 15
        Fixed / Variable
        1205-1054
        VIS
        PbMo04
        1
        80
        +/- 5
        Fixed / Variable
        M1141-P80-1
        VIS
        PbMo04
        1
        80
        +/- 5
        Fixed / Variable
        1205-1118
        VIS,NIR
        PbMo04
        2
        80
        +/- 5
        Fixed / Variable
        M1136B-FS80L-H
        UV
        FS (L)
        1/2/3
        80
        +/- 5
        Fixed / Variable
        1206C
        VIS,NIR
        PbMo04
        1
        110
        +/- 25
        Fixed / Variable
        1205-1069
        VIS
        PbMo04
        1
        160
        +/- 5
        Fixed / Variable
        1250C
        VIS,NIR
        PbMo04
        0.75
        200
        +/- 50
        Fixed / Variable
        1250C-829A
        NUV,VIS
        TeO2
        0.45
        260
        +/- 50
        Fixed / Variable
        OPP-1
        VIS
        PbMoO4
        1.5
        300
        +/- 100
        Fixed / Variable
        1260C
        NUV,VIS
        TeO2
        0.2
        350
        +/- 100
        Fixed / Variable
        1209-7-1064M
        IR
        Ge
        6
        40
        +/- 10
        Fixed / Variable
        1210-G-(fc)-H-MIR
        Mid-IR
        Ge
        2,4
        60 / 105
        +/- 10
        Fixed / Variable
        M1208-G80-3
        IR
        Ge
        3
        80
        +/- 2.5
        Fixed / Variable

         

        聲光偏轉器 Deflectors

        AO deflectors can be used to scan a laser beam. This is achieved by changing the RF drive frequency. Random position, continuous line scans and sequential spot deflection are all possible. Scan rates in excess of 250KHz can be achieved depending on the crystal, wavelength and beam size.

        Optimum efficiency requires that the input laser beam is set at the Bragg angle which is a function of the drive frequency. When swept to scan the laser beam there will be Bragg angle mismatch since the AOD can only be optically aligned at one drive frequency. In general this will cause a reduction in efficiency depending on the scan range. Several techniques may be used to minimize this effect:

        • Off-axis AO deflectors (“OAD”) minimize the Bragg angle - frequency sensitivity by exploiting non-linear characteristics of birefringent crystals.
        • Beam steered AO deflectors (“-BS”) electronically steer the acoustic column inside the crystal depending on the RF drive frequency. This requires a phased array electrode on the transducer with 2 or 4 RF inputs.

         

        Model
        A/R Coating
        Material
        Rayleigh Res'n 1 2
        Aperture (mm)
        Sweep BW (MHz)
        Center Freq. (MHz)
        Feature
        Deflectors UV - Blue
        D1211-aQ110-5
        UV
        Quartz
        70
        5 x 10
        40
        110
        D1340-XY-aQ110-5
        UV
        Quartz
        35 x 35
        5 x 5
        40
        110
        Dual Axis
        D1155-T75S
        405nm
        TeO2 (S)
        140
        9
        10
        75
        1206C-2-1002
        NUV, VIS
        TeO2
        100
        2 x 9
        50
        110
        Deflectors Blue - Red
        1205C-2-804B
        VIS
        PbMoO4
        66
        2 x 6
        30
        80
        LS55-V
        VIS
        TeO2 (S)
        450
        2 x 7
        40
        80
        LS110A-VIS
        VIS
        TeO2 (S)
        1100
        4 x 14
        50
        100
        LS110A-VIS-XY
        VIS
        TeO2 (S)
        750x750
        9 x 9
        50
        100
        Dual Axis
        OAD948 
        488nm
        TeO2 (S)
        600
        3 x 8
        50
        100
        OAD1020
        532nm
        TeO2 (S)
        600
        2 x 8
        50
        100
        1206C-2-1002
        NUV, VIS
        TeO2
        77
        2 x 8
        50
        110
        OPP834
        VIS
        PbMoO4
        520
        0.7 x 19
        100
        200
        1250C-BS-960A
        VIS
        PbMoO4
        160 
        1.5 x 6 
        120
        190 
        D1135-T180L
        VIS
        TeO2
        95
        3 x 8 
        50
        175 
        Deflectors - Near IR
        OAD1550-XY
        1550nm
        TeO2 (S)
        200 x 200
        7 x 7
        20
        40
        LS110A-NIR
        NIR
        TeO2 (S)
        550
        4 x 14
        25
        50
        LS110A-NIR-XY
        NIR
        TeO2 (S)
        240 x 240
        6 x 6
        25
        50
        1205C-x-804B
        NIR
        PbMoO4
        66
        2 x 6
        40
        80
        OAD1121-XY
        810nm
        TeO2 (S)
        500 x 500
        9 x 9
        40
        80
        LS55-NIR
        NIR
        TeO2 (S)
        450
        2 x 7
        40
        80
        D1312-T80L
        NIR
        TeO2
        40
        6
        30
        80
        D1086-T110L
        NIR
        TeO2
        95
        3 x 8
        50
        110
        Conduction cooled
        D1135-T110L
        NIR
        TeO2
        95
        3 x 8
        50
        110
        1250-BS-926
        NIR
        PbMoO4
        60
        0.5 x 3
        70
        145
        1250C-BS-943A
        NIR
        PbMoO4
        190
        2 x 6
        120
        185
        Deflectors Mid IR - IR
        1209-7BS-986
        IR
        Ge
        50
        7 x 14
        20
        40
        D1315-G50-H
        IR
        Ge
        70
        7 x 20
        20
        50
        AOM650-H
        IR
        Ge
        100
        7 x 30
        20
        50
        D1199-G50
        IR
        Ge
        100
        7 x 20
        20
        50
        D1208-XY-50-3
        IR
        Ge
        10 x 10
        3 x 3
        40
        70
        LS700-1011
        IR
        Ge
        436
        10 x 60
        40
        70

         

        可調濾光片Tunable Filters

        Acousto-optic diffraction requires momentum matching between light and sound (acoustic) waves in the crystal material. For the AO laser beam modulator, momentum matching is maximized when the input beam is aligned at the Bragg angle. AOTF applications are different. Unlike the modulator case, AOTF’s are frequently used with non-coherent, poorly collimated light and require large apertures with wide acceptance angles. To accommodate these demands, AOTF’s utilize non-linear properties of birefringent crystals. The crystal orientation and acoustic launch angle are designed such that diffraction occurs over a very narrow wavelength range for a very specific RF frequency. In fact it is so specific that multiple simultaneous frequencies can be applied to an AOTF without excessive intermodulation. This allows controlled wavelength mixing.
        The acoustic launch angle and incident angle are related by design and together define the AOTF characteristics.

        Model
        Spectral Range (um) 
        Active Aperture (sq. mm)
        Acceptance Angle (Deg.)
        Optical BW (nm)
        Drive Frequency (MHz)
        Visible Tunable Filters
        AOLF615-1049
        VIS
        2.5x2.5
        3.5 - 4.5
        1.0 - 6.0
        109 - 65
        AOLF615-1082
        VIS
        2.5x2.5
        3.5 - 4.5
        1.0 - 6.0
        109 - 65
        AOTF614-08
        VIS,NIR
        5x5
        3.5 - 6.0
        1.0 - 22.0
        140 - 35
        AOTF614-16
        VIS,NIR
        5x5
        2.5 - 4.2
        0.6 - 11.0
        140 - 35
        AOTF614-24
        VIS,NIR
        5x5
        3.5 - 6.0
        0.4 - 7.0
        140 - 35
        AOTF1331
        mid-IR
        7x7
        5
        30 - 50
        24 - 39
        AOTF1110-VB
        VIS,NIR
        10x10
        5.7 (nominal)
        Variable
        80 - 50
        NIR - IR Tunable Filters
        AOTF614-08
        VIS,NIR
        5x5
        3.5 - 6.0
        1.0 - 22.0
        140 - 35
        AOTF614-16
        VIS,NIR
        5x5
        2.5 - 4.2
        0.6 - 11.0
        140 - 35
        AOTF614-24
        VIS,NIR
        5x5
        3.5 - 6.0
        0.4 - 7.0
        140 - 35
        AOTF920-14
        NIR
        5x5
        3.4 - 6.1
        2.0 - 27.0
        95 - 26
        AOTF920-20
        NIR
        5x5
        2.6 - 4.9
        1.5 - 18.5
        95 - 26
        AOTF920-24
        NIR
        5x5
        2.8 - 5.0
        1.0 - 15.5
        95 - 26
        AOTF1331
        mid-IR
        7x7
        5
        30 - 50
        24 - 39
        AOTF1550-SLS
        1550nm
        3x3
        -
        2
        81 - 84
        AOTF1110-VB
        VIS,NIR
        10x10
        5.7 (nominal)
        Variable
        80 - 50

         

        Q-Switches

        Q-switches are intracavity devices used to generate very high peak power, short duration laser pulses. These are typically loss modulators operating on the zero order beam. The goal of a Q-switch is to diffract as much power from the zero order as possible to increase the cavity loss and extinguish the laser output. When the RF drive to the Q-switch is momentarily turned off, the optical power built up in the laser is emitted as a short pulse. The process may be repeated at rates in excess of 100KHz. Depending on the frequency and interaction length, AO Q-switches either operate in the Bragg regime, just like an AOM, with predominately a single diffracted beam or in the Raman-Nath regime with multiple diffracted beams.

        Model
        Cooling
        Centre Frequency (MHz)
        Material
        Active Aperture (mm)
        Max Power (W)
        Damage Thresh (MW/cm^2)
        Driver
        Q1072-SF24L
        Conduction
        24
        SF10
        1.5
        5
        >300
        AQS
        Q1058C-SFxxL-H
        Conduction
        24/27
        SF10
        1.0/1.5
        5
        >300
        AQS
        Q1025-TxxL-H
        Conduction
        27/80
        TeO2
        1
        3
        >250
        AQS
        Q1025-SFxxL-H
        Conduction
        41/80
        SF10
        1
        3
        >300
        AQS
        Q1080C-TxxL-H
        Conduction
        41/ 68 / 80
        TeO2
        1.5
        4
        >250
        AQS
        Q1087-aQ80L
        Conduction
        80
        Quartz
        1
        6
        >500
        AQS
        Q1137-SFxxL-H
        Conduction
        41/80
        SF57
        1.0 / 1.5
        6
        >300
        AQS
        Q1162-SFxxL-H
        Conduction
        41/80
        SF10
        1
        6
        >300
        AQS
        Q1119-aQxxL-H
        Conduction
        41/ 80
        Quartz
        1.0 / 1.5
        10
        >500
        AQS
        Q1119-FSxxL-H
        Conduction
        41/ 80
        Fused Silica
        1.0 / 1.5
        10
        >500
        AQS
        Q1133-aQxxL-H
        Conduction
        41/ 68 / 80
        Quartz
        1.0 to 2.0
        10
        >500
        AQS
        Q1133-FSxxL-H
        Conduction
        41/ 68 / 80
        Fused Silica
        1.0 / 1.5
        10
        >500
        AQS
        Q1062-FSxxL-H
        Water
        24/ 27
        Fused Silica
        1.5 to 6.0
        60
        >500
        AQS
        Q1062-FSxxS-H
        Water
        24/ 27
        F.Silica (Shear)
        1.5 to 5.5
        60
        >500
        AQS
        Q1083-FSxxL-H
        Water
        24/ 27 / 41
        Fused Silica
        1.5 to 6.0
        60
        >500
        AQS
        Q1083-FSxxS-H
        Water
        24/ 27 / 41
        F.Silica (Shear)
        1.5 to 5.5
        60
        >500
        AQS

         

        Special Function Devices

        Model
        Operating Wavelengths
        Material
        Resolution
        Time Aperture (us)
        Sweep Bandwidth (MHz)
        Center Freq. (MHz)
        OPP-1
        VIS
        PbMoO4
        1000
        5
        200
        300
        OPT-1
        VIS
        TeO2 (S)
        1500
        50
        30
        45
        OPT-1-100
        VIS
        TeO2 (S)
        5000
        100
        50
        75
        SLM16-835
        NIR
        TeO2
        300
        4.4
        70
        125
        LS700-1109-10W
        IR
        Ge
        500
        10
        50
        75

         

        Fiber Optic Couplers

        For ease of integration ISOMET offers a range of pre-aligned fibre assemblies and integrated fibre coupled devices for both modulation and frequency shifting applications. The FOA series offers an open and fully adjustable fibre coupling solution suitable for use with a wide range of our visible and NIR AO devices. The FCM series are fully integrated welded package fibre coupled devices. These exhibit high extinction ratio, low coupling losses and feature single mode fibres with FC/PC terminations.

        Model
        Applications
        Wavelengths
        Suitable AOM’s
        Typical Coupling Losses
        FOA1065
        Frequency Shifting / Modulation
        Visible and NIR
        1205C / 1206C / 1250C
        < 5dB
        FOA1084
        High Speed Modulation
        NIR
        1206C – 0.5
        < 5dB
        FCM1550-P50L
        Frequency Shifting / Modulation
        1550nm
        Integrated
        < 3dB
        FCM1550-P80L
        Frequency Shifting / Modulation
        1550nm
        Integrated
        < 3dB

         

        聲光調制器驅動器 Acousto-optics Modulators Driver

        Center Freq (MHz)
        Risetime (n sec)
        Digital Modulation
        Analog Modulation
        Power
        Feature
        10
        <15
        831C
        up to 0.3W
        27
        <10
          
        521C-27
        521B-27
        531C-27
        531B-27
        up to 6W
        40
        <8
        521C
        521B
        531C
        531B
        up to 6W
        45
        <8
        521C-45
        521B-45
        531C-45
        531B-45
        up to 6W
        80
        <6
        522C
        522B
        532C
        532B
        up to 7W
        80
        <6
        822C
        832C
        up to 2W
        Low voltage, compact
        110
        <5
        523C
        523B
        533C
        533B
        up to 6W
        150
        <5
        524C
        524B
        534C
        534B
        up to 3W
        175
        <5
        525C-175
        525B-175
        535C-175
        535B-175
        up to 2W
        200
        <5
        525C
        525B
        535C
        535B
        up to 2W
        250 (260)
        <5
        526C
        536C
        up to 2W
        350
        <5
        537C
        up to 1.5W
        80
        <6
        752C-x
        752B-x
        752C-x
        752B-x
        up to 7W
        Dual Modulation
        80
        <6
        722C-x
        722B-x
        na
        na
        up to 6W
        >60dB RF Contrast
        110
        <5
        723C-x
        723Bx
        na
        na
        up to 6W
        >60dB RF Contrast

         

        Air Cooled, Single Frequency up to 60W RF power
        Frequency (Select, MHz)
        Model
        Frequency Stability (Typical, %)
        Modulation
        Outputs
        RF Power (W)
        24/27/41/80/110
        RFA910-FC
        ±0.003
        Analog& Digital
        1
        10
        24/27/41/80/110
        RFA920-FC
        ±0.003
        Analog & Digital
        1
        25
        27/41
        RFA960-FC
        ±0.003
        Analog & Digital
        1
        60

         

        High Power Modulator Drivers Liquid Cooled
        Frequency (MHz) 
        Model
        Modulation
        Outputs
        RF Power (W)
        Feature
        40
        RFA141
        Analog & Digital
        1
        30
        40
        RFA241
        Analog & Digital
        1
        80
        40
        RFA441
        Analog & Digital
        1
        100
        40
        RFA641
        Analog & Digital
        1
        180
        Digital Interface
        50
        RFA151
        Analog & Digital
        1
        25
        60
        RFA261
        Analog & Digital
        1
        65
        80
        RFA181
        Analog & Digital
        1
        50
        110
        RFA2110
        Analog & Digital
        1
        25
        40
        RFA240-2
        Analog & Digital
        2
        70/70
        50
        RFA250-2
        Analog & Digital
        2
        70/70

         

        Liquid Cooled, Sequential Multi-Frequency, up to 180W RF power
        Frequency (MHz) 
        Model
        Frequency Stability (Typical, %)
        Modulation
        Outputs
        RF Power (W)
        Feature
        30 / 50
        RFA3050-2
        ± 0.003
        Digital
        2
        65/65
        40 / 51
        RFA741
        ± 0.003
        Analog/Digital
        1
        90
        40 / 60
        RFA4060-2
        ± 0.003
        Digital
        2
        65/65
        40 / 60
        RFA4116-2
        ± 0.003
        Digital
        2
        85/85
        Digital Power Control
        30 / 36.7 / 43.3 / 50
        RFA3445-2
        ± 0.003
        Digital
        2
        85/85
        40 / 46.7 / 53.3 / 60
        RFA4556-2
        ± 0.003
        Digital
        2
        85/85
        30-60
        iSPA241
        32Bit
        Analog / Digital
        1
        70
        USB Programmable
        35-55
        iSPA641
        32Bit
        Analog / Digital
        1
        180
        USB Programmable
        40-60
        iSPA4060-2
        32Bit
        Analog / Digital
        2
        85/85
        USB Programmable
        41/-41
        iSA241-4
        32Bit
        Analog / Digital
        4
        30/30/30/30
        DBM driver
        54/-54
        iSA254-4
        32Bit
        Analog / Digital
        4
        45/45/45/45
        DBM driver

         

        聲光偏轉器驅動器 Deflectors Drivers

        Variable Frequency Driver-Amps Conduction Cooled Max 20W
        Tuning Frequency (Minimum, MHz)
        Digital Modulation
        Analog Modulation
        Tuning Linearity (Typical, %)
        RF Power (W)
        Feature
        DDS Based
        20-200
        iSPA-SF1
        iSPA-SF1
        32Bit
        1.2W
        Sequential freq output
        20-200
        iSPA-MF4
        iSPA-MF4
        32Bit
        <1W
        Simultaneous 4x freq output
        Single Output VCO based
        19-35
        620C-27
        630C-27
        ±2.0
        >2.2
        30-50
        620C-40
        630C-40
        ±1.5
        >2.2
        30-50
        620A-40
        630A-40
        ±1.5
        >6.0
        60-100
        620C-80
        630C-80
        ±1.5
        >2.2
        60-100
        620A-80
        630A-80
        ±1.5
        >4.0
        70-130
        620C-100
        630C-100
        ±1.5
        >2.0
        80-140
        620C-110
        630C-110
        ±1.5
        >1.8
        80-140
        620A-110
        630A-110
        ±1.5
        >3.0
        100-200
        620C-150
        630C-150
        ±1.5
        >1.5
        100-200
        620A-150
        630A-150
        ±1.5
        >3.0
        140-260
        620C-200
        630C-200
        ±1.5
        >1.5
        200-300
        620C-250
        630C-250
        ±2
        >0.7
        250-450
        620C-350
        630C-350
        ±2
        >0.7
        22-38
        RFA910T-30
        ±2.5
        10
        30-50
        RFA910T-40
        ±1.5
        10
        60-100
        RFA910T-80
        ±1.5
        10
        60-100
        RFA920T-80
        ±1.5
        20
        90-130
        RFA920T-110
        ±1.5
        20
        VXCO
        80 ± 4kHz
        512C-x
        Up to 7

         

        Multi Output Variable Freq Driver-Amps Conduction Cooled, Max 20W
        Tuning Frequency (Minimum, MHz)
        Digital Modulation
        Analog Modulation
        Tuning Linearity (Typical, %)
        RF Power (W)
        Outputs
        Feature
        DDS Based
        20-200
        iSPA-SF2
        32Bit
        1.2/1.2
        2
        USB Programmable
        20-200
        iHSA-4*
        32Bit
        1.2/1.2/1.2/1.2
        4
        USB Programmable
        VCO Based
        30-50 or 40-60
        D321-BS
        D331-BS
        ±1
        1.8 / 1.8
        2
        50-90
        D322-BS
        D332-BS
        ±1
        1.8 / 1.8
        2
        75-125 or 90-130 
        D323-BS
        D333-BS
        ±1
        1.8 / 1.8
        2
        120-240 or 130-250
        D325-BS
        D335-BS
        ±1
        1.8 / 1.8
        2
        85-145
        RFA3110-4-CC
        ±1.5
        1.8/1.8/1.8/1.8
        4

         

        Liquid Cooled, up to 180W RF power
        Tuning Frequency (Minimum, MHz)
        Model
        Tuning Linearity (Typical, %) 
        Modulation
        Outputs
        RF Power (W)
        Feature
        DDS Based
        30-60
        iSPA241
        32Bit
        Analog / Digital
        1
        70
        USB Programmable
        30-60
        iSPA241
        32Bit
        Analog / Digital
        1
        70
        USB Programmable
        40-60
        iSPA4060-2
        32Bit
        Analog / Digital
        4
        85/85
        USB Programmable
        VCO Based
        30-50
        RFA321
        ±2
        Analog / Digital
        1
        70
        30-50
        RFA331-2
        ±2
        Analog / Digital
        2
        35/35
        40-60
        RFA350-2
        ±2
        Analog / Digital
        2
        65/65
        65-95
        RFA3080-2
        ±1.5
        Analog / Digital
        2
        5/5
        90-130
        RFA333-2
        ±1.5
        Analog / Digital
        2
        10/10
        85-145
        RFA3110-4
        ±1.5
        Analog / Digital
        4
        1.8/1.8/1.8/1.8
        110-180
        RFA 3145-4
        ±1.5
        Analog / Digital
        4
        1.8/1.8/1.8/1.8
        130-210
        RFA3175-4
        ±1.5
        Analog / Digital
        4
        1.5/1.5/1.5/1.5

         

        AOTF Driver: Frequency Sources and Amps

        Frequency Sources
        Model
        Controls Functions
        Max tuning range (MHz)
        Resolution
        Outputs
        RF Power
        Feature
        Frequency Synthesizer Source
        iSA-SF2
        Yes
        20-200
        32bit
        2
        1mW
        USB programmable
        iHHS-4
        Yes
        20-200
        32bit
        4
        1mW
        USB programmable
        iHHS-4-e
        Yes
        150-350
        32bit
        4
        1mW
        USB programmable
        Synthesizer with Integrated Amplifier(s)
        iSPA-SF1-X
        Yes
        20-250
        32bit
        1
        1W to 4W
        High power
        iSPA-SF2
        Yes
        20-200
        32bit
        2
        1W
        Differential frequency
        iSPA-MF4
        Yes
        20-200
        32bit
        1
        1W total
        Mixed frequency
        iHSA-4
        Yes
        20-200
        32bit
        4
        1W
        Image Memory
        Crystal Based, low frequency
        811C-L-10
        10
        50ppm
        1
        300mW
        811C-L-15
        15
        50ppm
        1
        300mW

         

        Amplifiers
        Model
        Modulation Input
        Octave Bandwidth within range (MHz)
        Gain (dB)
        Outputs
        RF Power (W)
        Feature
        50xC-L Series
        Yes
        30-250
        0-33
        1
        1.7
        50xC-2 Series
        Yes
        30-250
        0-34
        1
        2
        50xC-3 Series
        Yes
        30-250
        0-35
        1
        2.7
        50xC-6 Series
        Yes
        30-250
        0-36
        1
        6.5
        DA134-p-fc
        Yes
        30-150
        0-36
        2
        1.6/1.6
        RFA901-B
        Yes
        30-100
        0-38
        1
        12
        RFA200
        Yes
        28-55
        0-50
        1
        70
        RFA200-2
        Yes
        28-55
        0-50
        2
        70/70
        RFA1170-4-ZP
        No
        48-92
        52
        4
        80/80/80/80
        Pulse optimized
        RFA1170-4
        Option
        48-92
        52
        4
        80/80/80/80

         

        Q-Switch Drivers
        Frequency (MHz)
        Model
        Waveform Modulation
        Control Inputs
        Outputs
        RF Power
        24
        RFA960-24
        Analog & Digital
        User
        1
        60
        27.12
        RFA960-27
        Analog & Digital
        User
        1
        60
        27.12
        AQS1060-27
        Pulse Width and Slope Envelope
        Internal/User
        1
        60
        27.12
        AQS1080-27
        Pulse Width and Slope Envelope
        Internal/User
        1
        80
        27.12
        AQSR1100D-27
        Pulse Width and Slope Envelope
        Internal/User
        2
        110/110
        40.68
        RFA910-40
        Analog & Digital
        User
        1
        12
        40.48
        RFA960-40
        Analog & Digital
        User
        1
        60
        40.68
        AQS1010-40
        Pulse Width and Slope Envelope
        Internal/User
        1
        10
        80
        762B-x
        Preset Pulse Width
        1
        < 4
        80
        762C-x
        Preset Pulse Width
        1
        < 4
        80
        RFA910-80
        Analog & Digital
        User
        1
        12
        80
        AQS1004-80
        Pulse Width and Slope Envelope
        Internal/User
        1
        < 6
        80
        AQS1010-80
        Pulse Width and Slope Envelope
        Internal/User
        1
        12

         

         

         




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