Infrared calcium fluoride optic
Introduction to infrared-grade calcium fluoride: Infrared-grade CaF₂ offers excellent mid/far-infrared transmission and is a key material in infrared imaging and detection. Precision purification and growth control impurities and scattering defects, though purity requirements are usually lower than deep-UV grade. Growing and processing large, low-stress crystals remain key challenges. Excellent infrared transmission and distinctive thermal stability make it an essential foundation for advanced infrared applications.
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Overview
Introduction to infrared-grade calcium fluoride: Infrared-grade CaF₂ offers excellent mid/far-infrared transmission and is a key material in infrared imaging and detection. Precision purification and growth control impurities and scattering defects, though purity requirements are usually lower than deep-UV grade. Growing and processing large, low-stress crystals remain key challenges. Excellent infrared transmission and distinctive thermal stability make it an essential foundation for advanced infrared applications.
Specifications
| Parameter | Value |
|---|---|
| Crystal Diameter [Selectable specifications (purchase options)] | 5mm; 10mm; 12.5mm; 12.5x12.5mm; 12.7mm; 15mm; 20mm; 25mm; 25x25mm; 25.4mm; 30mm; 40mm; 50mm; 50.8mm; 75mm; 100mm; 125mm; 150mm; 175mm; 200mm; 250mm; >300mm |
| Crystal Thickness [Selectable specifications (purchase options)] | 1mm; 1.5mm; 2mm; 3mm; 5mm; 6mm; 10mm; 20mm; 25mm; Other Thickness |
Applications
Thermal-imaging lenses/windows for imagers and missile seekers, especially thermal-shock applications; FTIR beamsplitters/substrates; 10.6 μm windows for high-power CO₂ lasers.
Key Features
Broad transmission from 0.13 μm ~ 12 μm (UV to far infrared), especially 3-5 μm and 8-10 μm; low thermo-optic coefficient (dn/dT) minimizes refractive-index variation and thermal defocus in stable thermal-imaging lenses; low intrinsic infrared absorption and optical loss; cubic, optically isotropic structure with uniform properties simplifies optical design/manufacturing.
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Supplier Information
Beijing Qifeng Landa Optical Technology Development Co., Ltd., established in early 2005, is a leading technology enterprise dedicated to the development and application of modern optoelectronic technologies.
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