AgGaS₂ (AGS) Single Crystal
Description
AgGaS₂ (AGS) is a nonlinear infrared crystal transmitting 0.5–13 µm, ideal for Type-I/II SHG, DFG and OPO of fast-pulse lasers.
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Technical details
Advantages:
- Good IR transmission over 0.5–13 μm (α < 0.1 cm⁻¹).
- Large nonlinear optical coefficient (d₃₆ = 18 pm/V).
- Moderate birefringence enables Type-I phase matching over a broad wavelength range.
- Non-hygroscopic and chemically stable under normal handling conditions.
Typical Specifications:
- SHG phase-matching range: 1.8–11.2 μm.
- Damage threshold: ~30 MW/cm² (typical value for ns pulses @ 1064 nm).
- Mohs hardness: ~2.5 (requires careful handling, we offer mounts for crystal).
Main Applications:
- Thin crystals for fast-pulse Type-I and Type-II SHG, DFG, and OPO.
- Efficient NLO crystal for 3–10 μm IR output, especially for OPO devices pumped by Nd:YAG or Ti:sapphire lasers.
- Efficient frequency-doubling crystal for infrared radiation, such as CO₂ lasers.