LANTHANUM FLUORIDE SINGLE CRYSTAL AND OPTICAL COMPONENT
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Mar 3, 2016
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Mar 18, 2015
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A lanthanum fluoride single crystal wherein an alkaline earth metal is added to the lanthanum fluoride single crystal, and internal transmittance of light at 9.3 μm in wavelength is no less than 85%/mm. The lanthanum fluoride single crystal and an optical component which have high transparency in an infrared region, and can be preferably used for phase plates for lasers, lenses and optical window materials for laser beam machines, gas detectors, flame detectors, infrared cameras, and so on, etc. are provided.
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