Mi. Musatov, CHARACTERISTICS OF LARGE OPTICAL-SAPPHIRE CRYSTALS GROWN BY THE GOI METHOD, Soviet journal of optical technology, 59(11), 1992, pp. 735-736
This paper describes the possibilities of the GOI [S. I. Vavilov State
Optical Institute] method for producing large high-uniformity optical
-corundum crystals. The basic properties of the corundum and its area
of application are given.