The usage range of calcium fluoride materials is 0.13 to 11.3 microns, with a particularly high transmittance in the range of 0.13 to 10 microns, reaching up to 95%. This makes calcium fluoride an excellent UV and infrared window material. Therefore, calcium fluoride materials have a wide range of applications in this wavelength range, especially in the fields of optics and optoelectronics.
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