ISP Optics Calcium Fluoride (CaF2) Windows
Original price was: $99.00.$69.30Current price is: $69.30.
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ISP Optics Calcium Fluoride (CaF2) Windows provide environmental protection for electronic systems and sensors across the IR spectrum. Calcium Fluoride features greater than 90% transmission from 350nm to 7μm and a low refractive index, allowing it to be used without an anti-reflection (AR) coating. These windows are fabricated with IR Grade Calcium Fluoride, featuring low absorption and a high damage threshold in the infrared spectrum. ISP Optics Calcium Fluoride (CaF2) Windows offer low solubility and superior hardness compared to other fluoride-based substrates, making them ideal for applications featuring harsh environments including infrared spectroscopy systems and thermal imaging.
- Greater than 90% Transmission from 350nm-7μm
- Low Index of Refraction
- Low Solubility and Chemically Inert
| Abbe Number (vd) | 94.99 |
|---|---|
| Parallelism (arcmin) | <3 |
| Young's Modulus (GPa) | 75.8 |
| Wavelength Range (nm) | 300 – 8000 |
| Surface Quality | 40-20 |
| Surface Flatness (P-V) | 2λ |
| Substrate | Calcium Fluoride (CaF2) |
| Poisson's Ratio | 0.26 |
| Knoop Hardness (kg/mm2) | 158.3 |
| Axis Orientation | Random |
| Index of Refraction nd | 1.434 |
| Edges | Fine Ground |
| Density (g/cm3) | 3.18 |
| Coefficient of Thermal Expansion CTE (10-6/°C) | 18.85 |
| Coating | Uncoated |
| Clear Aperture (%) | 85 |
| Bevel | Protective as needed |
| Type of Window | Crystal |
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