Near-Infrared Acousto-Optic Modulator AOMO 3110-191
AOMO 3110-191 is a near-infrared acousto-optic modulator using tellurium dioxide as the acousto-optic medium. Designed for highly stable beam control in precision near-infrared laser systems, it provides reliable optical switching, beam modulation and dynamic intensity management. Low reflectance, high switching contrast and excellent optical stability meet demanding beam-quality and predictable optical-performance requirements. The excellent acousto-optic properties of TeO₂ allow AOMO 3110-191 to provide efficient, stable beam interaction and precise modulation control while maintaining good beam-transmission characteristics. Its rectangular active aperture supports flexible beam manipulation and stable operation in optical systems that must preserve undiffracted-beam performance. Applications include optical test platforms, research laser systems, laboratory photonics equipment, OEM optical instruments and other precision near-infrared laser applications, providing low-loss, highly stable beam modulation and control for demanding photonic systems.
Overview
Specifications
| Parameter | Value |
|---|---|
| Applicable Wavelength Band | Near Infrared |
| Minimum Wavelength | 875 nm |
| Maximum Wavelength | 1250 nm |
| Center Frequency | 110 MHz |
| Clear Aperture Dimension | 1.75 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] | 10 MHz(@ -10 dB Return Loss ) |
| Input Impedance | 50 Ω |
| Standing Wave Ratio | ≤ 1.3:1 |
| Insertion Loss | ≤ 4% |
| Single-Surface Reflectance | ≤ 0.5% |
| Antireflection Coating Standard | MIL-C-48497 |
| Optical Power Density | 10 MW/cm² |
| Extinction Ratio | ≥1000:1 |
| Polarization | At a 90° angle to the mounting plane |
| Saturation RF Power [Wavelength :1060 nm] | 2.5 W |
| Bragg Angle [Wavelength :1060 nm] | 13.9 mrad |
| Beam Separation Angle [Wavelength :1060 nm] | 27.8 mrad |
| Diffraction Efficiency [Beam Diameter :1100 μm; Test Wavelength :1060 nm] | 85% |
| Rise Time [Beam Diameter :1100 μm; Test Wavelength :1060 nm] | 200 ns |
| Modulation Bandwidth [Beam Diameter :1100 μm; Test Wavelength :1060 nm] | 3 |
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