Key Features of AGSe Crystal :
- Wide Transparency Range: AgGaSe₂ crystals offer a broad transparency range from 0.73 µm to 18 µm, making them suitable for various IR optical applications.
- High Nonlinear Coefficient: These crystals possess a high nonlinear coefficient (d₃₆ = 33 pm/V @ 9.6 µm), enhancing their effectiveness in nonlinear optical applications.
- Low Absorption Coefficient: With a low absorption coefficient (α < 0.05 cm⁻¹ @ 1.064 µm), AgGaSe₂ crystals are ideal for high-efficiency optical parametric oscillation and amplification.
- Excellent Thermal and Mechanical Properties: AgGaSe₂ exhibits good thermal conductivity and mechanical stability, ensuring durability and performance under various conditions.
- Versatile Applications: Suitable for frequency doubling, optical parametric oscillation, and laser applications.
Description: Silver Gallium Selenide (AgGaSe₂), abbreviated as AGSe, is renowned for its wide infrared transparency range, high nonlinear coefficient, and excellent thermal and mechanical properties. These characteristics make AGSe crystals a top choice for mid-IR applications, including frequency doubling, optical parametric oscillation, and various laser technologies. Shape Optics provides high-quality AGSe crystals with superior optical properties, ensuring optimal performance for advanced optical systems.
Applications:
- Frequency Doubling of CO₂ Lasers: Enhances the efficiency and performance of CO₂ laser systems.
- Optical Parametric Oscillation (OPO): Used for generating tunable laser output from 0.4–18.3 µm wavelengths.
- Laser Systems: Suitable for use with CO₂ lasers for frequency doubling.
- Infrared Spectroscopy: Ideal for applications in infrared spectroscopy due to its wide transparency range.
Technical Specifications
| Specification | Value |
|---|---|
| Flatness | λ/8 at 633 nm |
| Parallelism | < 20 arcsec |
| Surface Quality | 10 – 5 scratch & dig (MIL-PRF-13830B) |
| Perpendicularity | < 5 arcmin |
| Angle Tolerance | < 30 arcmin |
| Aperture Tolerance | ± 0.1 mm |
| Clear Aperture | 90% of full aperture |
Physical Properties
| Property | Value |
|---|---|
| Crystal Type | Tetragonal |
| Density, g/cm³ | 5.7 |
| Mohs Hardness | 3–3.5 |
| Melting Point, °C | 851 |
| Lattice Constants, Å | a = 5.992, c = 10.886 |
| Thermal Conductivity, W/m·K | 1.0 |
| Thermal Expansion Coefficients, °C⁻¹ | ⊥c: -6.18×10⁻⁶, ‖c: 19.8×10⁻⁶ |
| Not Hygroscopic |
Optical Properties
| Property | Value |
|---|---|
| Transparency Range, µm | 0.73–18 |
| Nonlinear Coefficient | d₃₆ = 33 pm/V @ 9.6 µm |
| Absorption Coefficient | 0.6 cm⁻¹ @ 10.6 µm |
| Refractive Indices | nₓ = 11±0.5, nᵧ = 11±2.0 |
| Damage Threshold | 10–20 MW/cm² @ 10.6 µm, 150 ns |
Transmission Curves
Transmission vs. Wavelength (Thickness: 3.3 mm)
Standard Sizes
- Rectangle: 8×8 mm, 5×5 mm
- Thickness: 0.1–30 mm
- Other sizes available upon request
Why Choose Shape Optics?
Shape Optics stands out for its superior quality, advanced manufacturing processes, and dedicated customer service. Our AGSe crystals are produced using a unique growth method that ensures lower absorption coefficients and higher efficiency. We offer customized solutions tailored to your specific needs, ensuring the highest performance for your optical applications.
Our Advantages:
- Horizontal Growth Process: Unlike typical vertical growth methods, our horizontal growth process results in better uniformity and lower absorption.
- Low Absorption Coefficient: Our YS-ZGP crystals have an absorption coefficient α < 0.02 cm⁻¹ @ 2090 nm, compared to the typical α < 0.05 cm⁻¹.
- Higher Conversion Efficiency: Demonstrates superior conversion efficiency and uniformity in applications.
For more information, please visit our website at Shape Optics or contact us directly to discuss your specific requirements. Shape Optics is your trusted partner for high-quality AGSe crystals, offering exceptional optical performance and reliability.
