new material
Germanium window plate with a circular aperture is a high-performance optical component designed for superior infrared transmission, excellent thermal stability, and minimal optical distortion. Manufactured from high-purity germanium, it offers outstanding optical clarity, low chromatic aberration, and exceptional mechanical durability, making it an essential material for infrared imaging, laser optics, aerospace applications, and precision scientific instruments. Its ability to function in harsh environments ensures reliable performance in advanced optical systems.
Product Overview
The Germanium circular aperture window plate is a high-performance optical component designed for optical systems, particularly for controlling the direction and focus of light. It is commonly used in laser radar, optical sensors, and spectrometers as a light transmission or reflection element. This window plate offers excellent transparency in both the visible and infrared bands, while effectively protecting internal components from external environmental influences.
Key Features
- High Transparency: Germanium exhibits excellent transparency, especially in the infrared band, allowing more light signals to pass through, enhancing the efficiency and accuracy of optical systems.
- Low Reflectivity: With a low reflectivity, Germanium window plates effectively reduce light reflection losses, improving the optical system's transmission efficiency.
- High Thermal Stability: Germanium materials have excellent thermal stability, making them suitable for high- and low-temperature optical system applications.
- High Laser Damage Threshold: Germanium can withstand high laser energy without being damaged, making it ideal for high-power laser systems.
- Precision Machining: Advanced processing and polishing techniques ensure the window plate's surface smoothness and dimensional accuracy, meeting the requirements for high-precision applications.
Applications
Germanium circular aperture window plates have a wide range of applications, especially in the following fields:
- Laser Radar: As a critical optical component in laser radar systems, it provides a stable light transmission path, ensuring efficient laser beam reflection and reception.
- Optical Sensors: Used to protect the internal components of optical sensors while ensuring the efficient transmission of light signals.
- Spectrometers: In spectroscopy systems, the Germanium window plate helps optimize light transmission quality to ensure accurate measurement results.
- High-Power Laser Applications: Due to its high laser damage threshold, the Germanium window plate is well-suited for laser applications, including lasers and laser processing.
- Infrared Imaging and Measurement Systems: Widely used in infrared imaging, infrared thermometers, and night vision systems, providing efficient optical transmission for infrared light.
| Optical Property | Value |
| Transmission Range | 2-15 μm |
| Reflection Loss | 4.0028 @ 10.6 μm |
| Absorption Coefficient | 1.3 × 10⁻³ @ 3.8 μm |
| 3 × 10⁻² @ 10.6 μm | |
| Structure | Cubic Crystal System |
| Cleavage Planes | <111 |
| Physical Property | Value |
| Density | 5.33 g/cm³ |
| Melting Point | 936 ℃ |
| Thermal Conductivity | 58.61 W/(m·K) @ 293K |
| Thermal Expansion | 6.1 × 10⁻⁶/K @ 298K |
| Knoop Hardness | 780 kg/mm² |
| Specific Heat Capacity | 310 J/(kg·K) |
| Dielectric Constant | 16.6 @ 9.37 GHz |
| Young's Modulus | 102.7 GPa |
| Shear Modulus | 67 GPa |
| Bulk Modulus | 77.2 GPa |
| Poisson's Coefficient | 0.28 |
| Chemical Property | Value |
| Solubility | Insoluble |
| Molecular Weight | 72.61 g/mol |
| Parameter | Range |
| Diameter Range | 2-300 mm |
| Thickness | 0.12-60 mm |
| Surface Finish | 80-50, 60-40, 40-20, 20-10, 10-5 |
| Surface Accuracy | λ/2, λ/4, λ/8, λ/10 |
| Parallelism | <3' - 30" |
| Aperture Transmission | >90% |
| Coating | Customizable |
