Compound yttrium lead rubidium borate, yttrium lead rubidium borate nonlinear optical crystal and preparation method and application of yttrium lead rubidium borate nonlinear optical crystal

Abstract

The invention provides a compound rubidium lead yttrium borate and a preparation method and application thereof, the chemical formula of the compound is Rb7PbY2B15O30, the molecular weight is 1625.45, the compound is prepared by a solid-phase synthesis method or a vacuum packaging method, the chemical formula of the crystal is Rb7PbY2B15O30, the molecular weight is 1625.45, the crystal belongs to a trigonal system, the space group is R32, and the cell parameters are as follows: a is equal to 13.4642 (3), b is equal to 13.4642 (3), c is equal to 15.2917 (8), alpha is equal to 90 degrees, and beta is equal to 90 degrees. According to the Rb7PbY2B15O30 nonlinear optical crystal, gamma is equal to 120 degrees, the unit cell volume is 2400.183, the crystal is grown through a melt method, a high-temperature melt method or a vacuum packaging method, the powder frequency doubling effect of the Rb7PbY2B15O30 nonlinear optical crystal obtained through the method is about 1.3 times that of KH2PO4 (KDP), the ultraviolet cut-off edge is lower than 300 nm, physical and chemical properties are stable, and the Rb7PbY2B15O30 nonlinear optical crystal can serve as a short-wavelength ultraviolet nonlinear optical crystal to be applied to an all-solid-state laser.

Images