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OST Photonics GSGG Substrates GGG (12.373Å) has a similar lattice constant of YIG (12.376Å), it is widely used as the substrate material of YIG magneto-optical thin film. However, in order to improve the magneto-optical optimum value of magneto-optical thin film, sometimes it is necessary to select a single crystal substrate with a larger lattice constant. GSGG (12.554Å) is that the 2 Ga of the octahedron in the GGG crystal are replaced by Sc with a larger ionic radius, thus having a larger lattice constant.

Introduction of LiNbO3 Wafers Lithium niobate (LiNbO3) is a crystal material that Ost Photonics utilizes to create wafers for photonic, piezoelectric, and electro-optic applications. These lithium niobate wafers, known for their high refractive index, piezoelectric properties, and nonlinear optical response, are integral to a wide range of applications, including telecommunications, sensing, and computing.

GaSb single crystals can be used as substrate materials because of their lattice constants matching the lattice constants of various ternary and quaternary, III-V compound solid solutions with band gaps in the 0.8~4.3um wide spectral range. The limited mobility of GaSb lattice is greater than that of GaAs, making it a potential application prospect in the manufacture of microwave devices. Growth methods include LEC, VGF and VBG.

GAGG Ce gadolinium gallium aluminum garnet is a new detection material for high-end CT and security equipment. It has the advantages of high density, high light output, short decay time, and low radioactive background. Besides, it has stable chemical composition, no cleavability and no hygroscopy, and is easy to process and assemble, which can be applied in the fields of radiation detection and high energy physics.