Near-Ultraviolet Acousto-Optic Modulators AOMO 3200-125
AOMO 3200-125 is a compact near-ultraviolet acousto-optic modulator using tellurium dioxide as the acousto-optic medium. Designed for precise beam control in near-ultraviolet laser systems, it provides stable beam gating, optical switching, pulse picking and dynamic intensity modulation. Reliable switching, clear beam control and good modulation repeatability meet stability and control-accuracy requirements in precision ultraviolet photonic systems. The excellent acousto-optic properties of TeO₂ allow AOMO 3200-125 to provide efficient beam interaction in the near-ultraviolet band and reliable modulation for ultraviolet laser applications. Compared with quartz-based ultraviolet modulators, TeO₂ offers different acousto-optic performance advantages in particular near-ultraviolet applications, serving optical platforms requiring efficient beam control and flexible system integration. Applications include ultraviolet spectral analysis, fluorescence excitation, analytical instruments, laboratory photonics, research laser systems and other near-ultraviolet optical applications. Ultraviolet antireflection (AR)-coated optics, high switching contrast and compact construction provide stable, highly reliable beam modulation and control in space-constrained ultraviolet systems.
Overview
Specifications
| Parameter | Value |
|---|---|
| Applicable Wavelength Band | Violet-Blue Light |
| Minimum Wavelength | 340 nm |
| Maximum Wavelength | 410 nm |
| Center Frequency | 200 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 | ≤ 1.3:1 |
| Insertion Loss | ≤ 8 % |
| Single-Surface Reflectance | ≤ 1% |
| Antireflection Coating Standard | MIL-C-48497 |
| Optical Power Density | 250 W/mm² |
| Extinction Ratio | ≥1000:1 |
| Polarization | At a 90° angle to the mounting plane |
| Saturation RF Power [Wavelength :370 nm] | 0.2 W |
| Bragg Angle [Wavelength :370 nm] | 8.8 mrad |
| Beam Separation Angle [Wavelength :370 nm] | 17.6 mrad |
| Diffraction Efficiency [Beam Diameter :1000 μm; Operating Wavelength :370 nm] | 85% |
| Rise Time [Beam Diameter :1000 μm; Operating Wavelength :370 nm] | 159 ns |
Key Features
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