Q0054-QL060-040-1030
An acousto-optic Q-switch (AOQS) operates inside a laser cavity and actively adjusts the cavity Q to generate short laser pulses with high peak power. AOQS normally modulates the loss of the 0th-order light. When the AOQS RF drive is on, diffraction of the 0th-order light prevents laser oscillation in the cavity, increases cavity loss and suppresses laser output. When the RF drive is briefly switched off, the optical power accumulated in the laser cavity is emitted as a pulse, producing pulsed laser light. This process can repeat at rates exceeding 100kHz. AOQS can operate in the Bragg regime, with a single diffracted beam like an AOM (acousto-optic modulator), or in the Raman-Nath regime with multiple diffracted beams. Moduoptik offers complete solutions for polarized (Brewster-cut) or unpolarized lasers, including lamp-pumped and LD-pumped lasers. Moduoptik AOQS products cover wavelengths from ultraviolet to far-infrared, with apertures up to 12mm. Moduoptik AOQS uses high-grade acousto-optic materials, including fused silica, crystalline quartz and Ge crystals, and can be designed for shear-wave or longitudinal-wave operation. High-quality optical polishing, low-reflection, high-damage-threshold antireflection coatings, reliable bonding techniques, and novel acoustic management and optomechanical design provide excellent thermal management while maintaining excellent beam quality and high transmission. Moduoptik offers a range of RF drivers matched to AOQS; the appropriate RF drive can be selected according to the product datasheet.
Overview
Specifications
| Parameter | Value |
|---|---|
| Operating wavelength | 1030 nm |
| Effective Aperture | 4 mm |
| Operating frequency | 60 MHz |
| Loss Modulation | >86% |
| Optical material | Quartz crystal |
| Heat dissipation Method | Water cooling Heat dissipation |
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