Abstract

Polycrystalline magnesium fluoride is extensively applied as an optical thin layer. Some of its optical, chemical, and mechanical properties are discussed in this paper. Vacuum as well as nonvacuum techniques are suitable for its production and the latter are described in detail, including chemical aerosol decomposition of a few magnesium-fluoro compounds as well as spinning or dipping of solutions of one of the magnesium-fluoro compounds. This subject is presented in the broader context of potential methods of mass-producing optical thin MgF₂ layers and of potential industrial applications. The pros and cons of four relevant processes are dealt with.

© 1985 Optical Society of America

Optical thin films produced by nonvacuum techniques

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