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Mgf2 Optical Thin Film Including Amorphous Silicon Oxide Binder, Optical Element Provided With the Same, and Method for Producing Mgf2 Optical Thin Film
Mgf2 Optical Thin Film Including Amorphous Silicon Oxide Binder, Optical Element Provided With the Same, and Method for Producing Mgf2 Optical Thin Film
An MgF2 optical thin film is formed on an optical surface of a base material. The MgF2 optical thin film includes MgF2 particles and an amorphous silicon oxide-based binder which exists on the surfaces of the MgF2 particles and between the MgF2 particles. Owing to this amorphous silicon oxide-based binder, the optical thin film can have high mechanical strength and high adhesion to the base material, while having excellent environment resistance and a lower refractive index.
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