Description
SHAPE Optics AMTIR-1 (Ge33As12Se55) Windows Specifications
| Parameter | Specification |
|---|---|
| Bevel | Protective as needed |
| Clear Aperture CA (mm) | 21.59 |
| Clear Aperture (%) | 85 |
| Diameter (mm) | 25.40 +0.00/-0.13 |
| Thickness (mm) | 1.00 ± 0.13 |
| Coating | Uncoated |
| Coefficient of Thermal Expansion (CTE) (10^-6/°C) | 12.6 |
| Density (g/cm³) | 4.43 |
| Edges | Fine Ground |
| Index of Refraction (n_d) | 2.519 @ 3µm |
| 2.503 @ 8µm | |
| 2.490 @ 12µm | |
| Knoop Hardness (kg/mm²) | 170 |
| Poisson’s Ratio | 0.215 |
| Surface Flatness (P-V) | λ/10 @ 10.6µm |
| Parallelism (arcmin) | < 3 |
| Substrate | AMTIR-1 (Ge33As12Se55) |
| Surface Quality | 40-20 |
| Type | Protective Window |
| Wavelength Range (nm) | 750 – 14,000 |
| Young’s Modulus (GPa) | 21.2 |
| Model Number | AM-W-25-1 |
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Material and Optical Properties:
- Material Composition:
- Chalcogenide Material: Made from Ge33As12Se55, a glass composition known for its excellent infrared transmission properties.
- Thermal Stability:
- High Temperature Tolerance: Can be used at elevated temperatures up to 300°C without experiencing thermal runaway, making them suitable for high-temperature environments.
- Mechanical Properties:
- Durability: The robust material structure provides excellent durability and resistance to harsh environmental conditions.
Applications:
- Infrared Imaging Systems:
- Thermal Cameras: Ideal for use in thermal imaging systems where a broad transmission range and chemical resistance are required.
- Forward-Looking Infrared (FLIR) Cameras: Suitable for FLIR systems used in defense, surveillance, and automotive applications.
- Non-Contact Temperature Measurement:
- IR Thermometers: Used in non-contact IR thermometers for accurate temperature measurements in industrial and medical settings.
- Laser Systems:
- Low Power IR Lasers: Compatible with low power infrared laser systems, providing efficient transmission and durability.
- Protective Windows:
- Harsh Environments: Act as protective windows in environments with high chemical exposure, ensuring longevity and reliability of the underlying sensors and optical components.
SHAPE Optics AMTIR-1 Windows, constructed from the chalcogenide material Ge33As12Se55, offer superior infrared transmission from 750 nm to 14 µm, excellent chemical resistance to acids, and a low index of refraction. Their thermal stability up to 300°C and water insolubility make them ideal for use in harsh environments. These windows are perfectly suited for infrared imaging systems, non-contact temperature measurement, FLIR cameras, and low power infrared laser systems, providing reliable and durable performance in demanding applications.
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