Key Features of AGGSe crystals:
- Wide Transparency Range: AgGaGe₅Se₁₂ crystals offer a wide transmission range of 0.6-16.5 µm, making them ideal for various infrared applications.
- Broad Bandgap: With a bandgap of 2.2 eV, these crystals are well-suited for high-power laser applications.
- High Laser Damage Threshold: These crystals can withstand laser damage thresholds up to 220 MW/cm² at 1.06 µm, 15 ns, 1Hz.
- Versatile Nonlinear Optical Applications: Ideal for frequency doubling, difference frequency generation (DFG), optical parametric amplification (OPA), and more.
- Replacement for AgGaS₂ and AgGaSe₂: AgGaGe₅Se₁₂ crystals are a suitable alternative to AgGaS₂ and AgGaSe₂, offering improved performance for high-power laser systems and specialized applications.
Description: Silver Gallium Germanium Selenide (AgGaGe₅Se₁₂), abbreviated as AGGSe, is a cutting-edge nonlinear optical crystal known for its extensive infrared transparency, high laser damage threshold, and broad bandgap. These attributes make AGGSe crystals an excellent choice for mid-IR applications such as frequency doubling, DFG, and OPA. Shape Optics provides top-quality AGGSe crystals with superior optical properties, ensuring maximum performance for advanced optical systems.
Applications:
- Frequency Doubling of CO₂ Lasers: Enhances the efficiency and performance of CO₂ laser systems.
- Optical Parametric Amplification (OPA): Used for generating tunable laser output in the 3-5 µm and 8-14 µm ranges.
- Laser Systems: Suitable for use with Nd, Ho, Er, and other laser sources for generating mid-IR laser radiation.
- Infrared Spectroscopy: Ideal for applications in infrared spectroscopy due to its wide transparency range.
Technical Specifications
Processing Parameters:
| Parameter | Value |
|---|---|
| Orientation Accuracy | ± 0.5° |
| Clear Aperture | > 90% |
| Surface Flatness | λ/6 @ 632 nm |
| Surface Quality | 40 – 20 scratch & dig (MIL-PRF-13830B) |
| Parallelism | < 30 arcsec |
| Perpendicularity | < 10 arcmin |
| Transmitting Wavefront Distortion | ± 0.1 mm |
| Dimension Tolerance | ± 0.5 mm (length > 10 mm) |
Physical and Optical Properties:
| Property | Value |
|---|---|
| Crystal Type | Tetragonal |
| Lattice Constants, Å | a = 5.992, c = 10.886 |
| Density, g/cm³ | 5.7 |
| Mohs Hardness | 3 – 3.5 |
| Melting Point, °C | 851 |
| Transmission Range, µm | 0.6 – 16.5 |
| Nonlinear Coefficient | d₃₆ = 33 pm/V @ 9.6 µm |
| Absorption Coefficient | < 0.05 cm⁻¹ @ 1.064 µm |
| Damage Threshold | 220 MW/cm² @ 1.06 µm, 15 ns, 1Hz |
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 AGGSe 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 AGGSe 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 AGGSe crystals, offering exceptional optical performance and reliability.