Visible and Near-Infrared Acousto-Optic Modulators AOMO 3350-197
AOMO 3350-197 is a high-speed acousto-optic modulator for the visible band, covering 473–685 nm and designed for precision optical systems requiring ultrafast beam control. High-quality TeO₂ acousto-optic crystals, a high center frequency of 350 MHz and a broad RF bandwidth of 150 MHz provide high-speed optical switching, pulse gating, beam gating and laser-intensity modulation. Its ultracompact 0.15 × 2 mm active aperture is particularly suitable for tightly focused, small-spot laser systems, achieving an ultrafast rise time of 9 ns with a 50 μm beam diameter. With an extinction ratio up to 1000:1, low insertion loss and excellent modulation response, AOMO 3350-197 is widely used in microscopic imaging, fluorescence excitation, analytical instruments, laboratory photonics and research laser platforms, making it ideal for compact high-speed visible-laser control systems.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Applicable Wavelength Band | Visible Light , Near Infrared |
| Minimum Operating Wavelength | 450 nm |
| Maximum Operating Wavelength | 850 nm |
| Center Frequency | 350 MHz |
| Clear Aperture Dimension | 0.15 mm × 2 mm |
| Acousto-optic Medium | TeO₂ |
| Acoustic Velocity | 4.2 mm/μs |
| Rise/Fall Time | typical:159 ns（ typical ） |
| RF Bandwidth [-9 dB Return Loss] | 150 MHz(@ -9 dB Return Loss ) |
| Input Impedance | 50 Ω |
| Standing Wave Ratio | ≤ 1.3:1 |
| Insertion Loss | ≤4% |
| Single-Surface Reflectance | ≤ 1% |
| Antireflection Coating | MIL-C-48497 |
| Extinction Ratio | ≥1000:1 |
| Polarization | At a 90° angle to the mounting plane |
| Saturation RF Power [Wavelength 473 nm] | 0.63 W |
| Bragg Angle [Wavelength 473 nm] | 19.7 mrad |
| Beam Separation Angle [Wavelength 473 nm] | 39.4 mrad |
| Saturation RF Power [Wavelength 532 nm] | 0.9 W |
| Bragg Angle [Wavelength 532 nm] | 22.2 mrad |
| Beam Separation Angle [Wavelength 532 nm] | 44.4 mrad |
| Saturation RF Power [Wavelength 632 nm] | 1.0 W |
| Bragg Angle [Wavelength 632 nm] | 26.3 mrad |
| Beam Separation Angle [Wavelength 632 nm] | 52.6 mrad |
| Saturation RF Power [Wavelength 660 nm] | 1.0 W |
| Bragg Angle [Wavelength 660 nm] | 27.5 mrad |
| Beam Separation Angle [Wavelength 660 nm] | 55.0 mrad |
| Saturation RF Power [Wavelength 685 nm] | 1.0 W |
| Bragg Angle [Wavelength 685 nm] | 28.5 mrad |
| Beam Separation Angle [Wavelength 685 nm] | 57.0 mrad |
| Diffraction Efficiency [Beam Diameter 50 μm； Operating Wavelength 473 nm] | 80% |
| Rise Time [Beam Diameter 50 μm； Operating Wavelength 473 nm] | 9 ns |
| Diffraction Efficiency [Beam Diameter 50 μm； Operating Wavelength 532 nm] | 80% |
| Rise Time [Beam Diameter 50 μm； Operating Wavelength 532 nm] | 9 ns |
| Diffraction Efficiency [Beam Diameter 50 μm； Operating Wavelength 632 nm] | 70% |
| Rise Time [Beam Diameter 50 μm； Operating Wavelength 632 nm] | 9 ns |
| Diffraction Efficiency [Beam Diameter 50 μm； Operating Wavelength 660 nm] | 65% |
| Rise Time [Beam Diameter 50 μm； Operating Wavelength 660 nm] | 9 ns |
| Diffraction Efficiency [Beam Diameter 50 μm； Operating Wavelength 685 nm] | 60% |
| Rise Time [Beam Diameter 50 μm； Operating Wavelength 685 nm] | 9 ns |
Key Features
Datasheet
Supplier Information
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