Calcium Fluoride (Irtran-3)
Optical Material Information*
| Chemical Formula | CaF2 |
| Refractive Index (1.01 microns) | 1.43 |
| Knoop Hardness (psi) | 158 |
| Modulus of Rupture (psi) | 5300 |
| Useful Wavelength Range,Transmission(microns) | 0.15-8.0 |
| Useful Wavelength Range, ATR (microns) | 0.37-7.0 |
| Maximum Useful Temperature (ºC) | 900 |
| Melting Point (ºC) | 1360 |
| General Properties | Withstands high pressure; very hard; low refractive index; colorless. |
| Chemical Properties | Weakly soluble in water; resists most acids and bases; incompatible with NH4 salts; insoluble in acetone. |
| Clean with... | Acetone, alcohol. |
*This was compiled from various sources. For more details, consult the Chemical Abstracts Service at www.cas.org.
Transmission Spectrum
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