Visible and Near-Infrared Acousto-Optic Modulators AOMO 3315-125
AOMO 3315-125 provides 315 MHz acousto-optic frequency shifting and modulation for visible and near-infrared laser systems operating over 470–850 nm. It uses a TeO₂ acousto-optic medium with 50 MHz RF bandwidth and a 2.5 × 1.5 mm active clear aperture, supporting frequency shifting and beam control in the blue, green, red and near-infrared bands. The datasheet specifies performance at 488 nm, 532 nm, 633 nm and 800 nm, including operating RF power, Bragg angle, beam separation, diffraction efficiency and rise time. It is particularly suitable for applications requiring frequency shifts greater than the 100 MHz or 270 MHz levels. Performance is defined for an 800 µm beam diameter, and beam separation increases with wavelength. Applications include interferometry, optical testing and metrology, laser Doppler systems, scientific laser platforms and visible/near-infrared photonics.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Rated RF Power [Wavelength 488 nm] | 0.5 W |
| Bragg Angle [Wavelength 488 nm] | 18.3 mrad |
| Beam Separation Angle [Wavelength 488 nm] | 36.6 mrad |
| Rated RF Power [Wavelength 532 nm] | 0.7 W |
| Bragg Angle [Wavelength 532 nm] | 20 mrad |
| Beam Separation Angle [Wavelength 532 nm] | 40 mrad |
| Rated RF Power [Wavelength 633 nm] | 1 W |
| Bragg Angle [Wavelength 633 nm] | 23.7 mrad |
| Beam Separation Angle [Wavelength 633 nm] | 47.4 mrad |
| Rated RF Power [Wavelength 800 nm] | 1.5 W |
| Bragg Angle [Wavelength 800 nm] | 30 mrad |
| Beam Separation Angle [Wavelength 800 nm] | 60 mrad |
| Diffraction Efficiency [Performance for different beam diameters; original table header "beam diameter": 30 μm (retained as in source)] | 45% |
| Rise Time [Performance for different beam diameters; original table header "beam diameter": 30 μm (retained as in source)] | 7 ns |
| Diffraction Efficiency [Performance for different beam diameters; original table header "beam diameter": 532 nm (retained as in source)] | 85% |
| Rise Time [Performance for different beam diameters; original table header "beam diameter": 532 nm (retained as in source)] | 128 ns |
| Diffraction Efficiency [Performance for different beam diameters; original table header "beam diameter": 633 nm (retained as in source)] | 80% |
| Rise Time [Performance for different beam diameters; original table header "beam diameter": 633 nm (retained as in source)] | 128 ns |
| Diffraction Efficiency [Performance for different beam diameters; original table header "beam diameter": 800 nm (retained as in source)] | 80% |
| Rise Time [Performance for different beam diameters; original table header "beam diameter": 800 nm (retained as in source)] | 128 ns |
| Applicable Wavelength Band | Visible Light , Near Infrared |
| Minimum Operating Wavelength | 450 nm |
| Maximum Operating Wavelength | 850 nm |
| Center Frequency | 315 MHz |
| Clear Aperture Dimension | 1.5 mm × 2.5 mm |
| Rise/Fall Time | 159 ns |
| Acousto-optic Medium | TeO₂ |
| Acoustic Velocity | 4.2 mm/μs |
| RF Bandwidth [-10 dB Return Loss] | 50 MHz(@ -10 dB Return Loss ) |
| Input Impedance | 50 Ω |
| Standing Wave Ratio | ≤ 1.5:1 |
| Insertion Loss | ≤ 4% |
| Single-Surface Reflectance | ≤ 1% |
| Antireflection Coating | MIL-C-48497 |
| Optical Power Density | 250 W/mm² |
| Extinction Ratio | ≥1000:1 |
| Polarization | At a 90° angle to the mounting plane |
Key Features
Datasheet
Supplier Information
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