Water-Cooled Acousto-Optic Q Switch I-QS024-3S4G-S5
The I-QS024-3S4G-S5 water-cooled fused-silica acousto-optic Q-switch is designed for high-power lamp-pumped or diode-pumped Nd:YAG lasers. It operates at 1064 nm and 24 MHz with a 3 mm clear aperture, providing stable, reliable Q-switching for high-power pulsed laser systems. Part of G&H's classic 'industry-standard' series, it uses high-quality fused silica as the acousto-optic interaction medium, precision optical processing, and proprietary high-performance antireflection coatings. High transmission, low optical loss, and an excellent laser-damage threshold meet stringent industrial and research requirements for stability and reliability. The longitudinal (Compressional) acoustic mode suits linearly polarized laser systems, whereas the Shear mode suits randomly polarized laser applications. G&H can supply matched Q-switch and RF-driver solutions for customers' requirements to optimize system performance. Model identification: I-QS024-3S4G-S5 (200206-0002/03).
Overview
Specifications
| Parameter | Value |
|---|---|
| Acousto-optic Medium | Fused quartz |
| Wavelengths | 1064 nm |
| Operating Frequency | 24 MHz |
| Clear Aperture Dimension | 3 mm |
| Polarization | Random |
| Spectral Range | Near Infrared |
| Single-Surface Antireflection Coating Reflectance | ≤ 0.2% |
| Laser Damage Threshold | >1 GW/cm² |
| Single-Pass Transmittance | >99.6% |
| Static Insertion Loss [50 W Laser Power] | ≤6% (at 50 W laser power) |
| Standing Wave Ratio | <1.2:1 |
| Standing Wave Ratio [50 W RF Power] | <1.4:1 |
| RF Power [Longitudinal wave] | 50 W |
| RF Power [Shear] | 100 W |
| Cooling Method | Water Cooling |
| Water-Cooling Channel Material | 316 stainless steel |
| Minimum Water Flow Rate | >190 cc/min |
| Recommended Water Temperature | +22℃ ~ +32℃ |
| Overtemperature Protection Temperature | +55℃ ± 5℃ |
| Storage Temperature | 0℃ ~ +50℃ |
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