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Introduction:
Calcium fluoride (CaF₂) is an excellent infrared and ultraviolet optical crystal material, characterized by a broad transmission range, low refractive index, and low dispersion. It exhibits outstanding optical transmittance and chemical stability, making it well suited for high-precision optical systems.


Applications:
· Deep ultraviolet lithography, excimer laser (193 nm/248 nm) lenses / windows
· Mid-infrared spectrometer, infrared gas analyzer
· High-end optical lenses for thermal imaging and infrared temperature measurement
· Cryogenic infrared optics, vacuum infrared detector windows
· High-end biochemical infrared detection instrument

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