Ultraviolet to infrared refractive indices of tetragonal double tungstate and double molybdate laser crystals

作者：Han X; Lahera D E; Serrano M D; Cascales C; Zaldo C^*

来源：Applied Physics B: Lasers and Optics , 2012, 108(3): 509-514.

DOI：10.1007/s00340-012-4936-6

Sellmeier parameters of thirteen tetragonal (space group ) double tungstate and double molybdate laser crystals with M+T3+(X6+O4)(2) composition have been calculated using the room temperature refractive indices determined from the ultraviolet band gap of the crystals to lambda a parts per thousand 2 mu m. All considered crystals are uniaxial but only crystals with Bi in their composition show a significant birefringence (Delta n > 10(-2)). The refractive index value increases for the sequence T3+=La, Y, Gd, Lu, and Bi independently of the M+ and X6+ cation pair. Implications for the design of laser waveguides and laser pulse dispersion are discussed.

• 出版日期2012-9