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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 (ēC)

900

Melting Point (ēC)

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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