Key Features:
- Wide Transparency Range: BaGa₂GeSe₆ crystals offer a broad transmission range of 0.5–18 µm, making them ideal for various infrared applications.
- High Laser Damage Threshold: These crystals exhibit a high laser damage threshold, approximately 220 MW/cm² at 1.06 µm.
- Exceptional Nonlinear Coefficients: Featuring a large nonlinear coefficient of about 40 pm/V, BaGa₂GeSe₆ crystals are excellent for nonlinear optical processes.
- Chemical Stability: BaGa₂GeSe₆ crystals possess excellent chemical stability, making them suitable for various environmental conditions.
Description: Barium Gallium Germanium Selenide (BaGa₂GeSe₆), abbreviated as BGGSe, is a novel nonlinear optical crystal with exceptional transparency and high damage threshold, making it an outstanding material for mid-IR applications. Its exceptional nonlinear coefficients and high laser damage threshold make it indispensable for advanced optical systems in fields such as biomedicine, spectroscopy, atmospheric sensing, and more.
Applications:
- Frequency Doubling and Mixing: Enhances the efficiency of CO and CO₂ laser systems and other laser sources.
- Optical Parametric Oscillation (OPO): Utilized in OPO systems for generating tunable mid-IR radiation.
- Difference Frequency Generation (DFG): Ideal for DFG processes to produce coherent mid-IR light.
- High-Power Laser Systems: Suitable for high-power laser applications due to its high damage threshold and superior nonlinear properties.
Technical Specifications
Processing Parameters:
| Parameter | Value |
|---|---|
| Orientation Accuracy | ± 0.5° |
| Clear Aperture | > 90% |
| Surface Flatness | λ/6 @ 633 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 Structure | Orthorhombic |
| Density, g/cm³ | 5.2 |
| Melting Point, °C | 880 |
| Transparency Range, µm | 0.5 – 18 |
| Band Gap | 2.38 eV |
| Hardness | 380 kg/mm² (a-cut), 394 kg/mm² (c-cut) |
| Spatial Grouping | 42 mm |
| Damage Threshold | 220 MW/cm² @ 1.06 µm |
| Nonlinear Coefficient | ~40 pm/V |
Transmission Curves
Transmission vs. Wavelength
Standard Sizes
- Rectangular: 8×8 mm, 5×5 mm
- Thickness: 0.1–30 mm
- Other sizes available upon request
Why Choose Shape Optics?
Shape Optics excels in providing high-quality optical materials, and our BaGa₂GeSe₆ crystals are no exception. With superior optical properties, precise manufacturing, and dedicated customer support, Shape Optics is your trusted partner for advanced optical solutions. Our BGGSe crystals are tailored to meet the stringent requirements of modern optical applications, ensuring maximum performance and reliability.
For more information, please visit our website at Shape Optics or contact us directly to discuss your specific requirements. Shape Optics is committed to delivering top-quality optical crystals and materials for your innovative projects.