Acousto-Optic Frequency Shifter AOTF 2838-01
This model operates in the 400–670 nm visible band, with a clear aperture of 2.5 mm and a typical bandwidth of 1.3 nm. It uses patented sidelobe-suppression technology for excellent out-of-band rejection. Using high-quality TeO₂ crystals, precision optical fabrication, high-performance antireflection coatings, advanced acoustic management, and optimized optomechanical structures, it provides high beam quality and high optical flux together with improved thermal stability and long-term operating reliability. This structure provides strong suppression of stray energy outside the target band, significantly improving spectral selection accuracy and system signal-to-noise ratio. It is suitable for visible-light filtering and imaging applications requiring high spectral purity, stability, and dynamic tuning performance.
Overview
Specifications
| Parameter | Value |
|---|---|
| Wavelengths | 400–670 nm |
| Clear Aperture Dimension | 2.5 mm |
| Bandwidth | 1.3 nm |
| Spectral Range | Visible Light |
| Acousto-optic Medium | TeO₂ |
| Acoustic Velocity | 0.68 mm/μs |
| RF Frequency Range | 80–152 MHz |
| RF Bandpass | 280 kHz @ 476 nm |
| Standing Wave Ratio | ≤2.4:1 |
| Input Impedance | 50 Ω |
| Insertion Loss | ≤3 % |
| Temperature Sensitivity | 0.05 nm/°C |
| Diffracted Beam Collinearity | Minimum deviation 0.01° |
| Incident Light Polarization | Vertical |
| Output Light Polarization | Horizontal |
| Maximum RF Power | 1 W |
Key Features
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