AgBr-TlI crystals for medium and far IR optics (2 – 60 µm)

Phase diagram of AgBr-TlI was studied, and two regions of stable solid solutions were found in it. A series of optical crystals were grown basing on the detected homogeneity regions. Their optical properties (refractive index, transmission range, optical losses) were investigated. Slight changes in the refractive index over a wide range of compositions makes it possible to use these materials for creating 1D and 2 D structures including PCF structures.