Articles you may be interested inTunable cw laser operation in the 1.45-2.16 μm range based on F+ 2like centers in O− 2 doped NaCl, KCl, and KBr crystals The x-ray powder pattern of potassium dioxydifluorobromate KBr0 2 F 2 is given and is indexed in an orthorhombic cell with the parameters a = 7.28±0.02, b = 6.75±0.02, c = 7.87±0.02 A. A set of force constants calculated from infrared and Raman data is given for both the Br0 2 F;-ion and Br0 2 F.

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