Key Features:
- High-density and robust material
- Excellent infrared (IR) transmission properties
- Effective blocking of ultraviolet (UV) and visible wavelengths
- Customizable for various optical applications
- High refractive index
Description: Germanium (Ge) is a versatile and high-performance material extensively used in infrared optics. Known for its excellent IR transmission properties, Germanium effectively blocks UV and visible wavelengths, making it an ideal choice for a wide range of optical applications. Shape Optics provides customized Germanium crystals tailored to specific needs, ensuring high-quality performance and precision.
Physical Properties:
| Property | Specification |
|---|---|
| Density | 5.33 g/cm³ |
| Melting Point | 937.4°C |
| Hardness | 780 kg/mm² (Knoop) |
| Thermal Conductivity | 58 W·m⁻¹·K⁻¹ |
| Thermal Expansion Coefficient | 6.1 x 10⁻⁶ /°C |
Optical Properties:
| Property | Specification |
|---|---|
| Transmission Range | 2-14 µm |
| Refractive Index | 4.002 @ 11 µm |
| Absorption Coefficient | < 0.027 cm⁻¹ @ 10.6 µm |
| Optical Density (OD) | 1.28 |
| Transmission (%) | > 45% @ 10.6 µm |
Standard Specifications:
| Property | Specification |
|---|---|
| Diameter | Up to 6 inches |
| Thickness | 0.5 to 10 mm |
| Surface Quality | 40/20 Scratch/Dig (MIL-PRF-13830B) |
| Surface Flatness | λ/10 @ 632.8 nm |
| Parallelism | < 10 arc seconds |
| Perpendicularity | < 5 arc minutes |
| Coating | DLC, AR/AR, and other custom coatings |
Other Properties:
- High chemical durability
- Resistant to harsh environmental conditions
- High mechanical strength
Applications:
- Infrared optics for thermal imaging systems
- High-power CO₂ laser optics
- Spectroscopy and medical imaging
- Lenses and windows for IR systems
- Night vision and astronomy
Processing and Handling:
- Germanium crystals require careful handling to avoid surface damage and contamination.
- Use gloves or finger cots when handling Germanium components.
- Store in a clean, dry environment with temperature control to prevent thermal shock.
- Ensure proper cleaning procedures to maintain optical quality.
Why Choose Shape Optics:
- We provide high-quality Germanium crystals with precise specifications and excellent optical properties.
- Our crystals undergo stringent quality control to ensure reliability and performance in demanding applications.
- Customization options available to meet specific requirements.
Shape Optics Strength and Capabilities:
- Expertise in crystal growth and fabrication techniques.
- Advanced metrology and inspection facilities to ensure superior product quality.
- Comprehensive support and consultation services to assist in the integration of Germanium crystals into various optical systems.
- Commitment to innovation and excellence in the field of optical engineering.
