Light-induced refractive index change in some F coloured alkali halide crystals
K E Peiponen; A Vaittinen; K E Peiponen; Dept. of Maths. & Phys., Univ. of Joensuu, Joensuu, Finland; A Vaittinen; Dept. of Maths. & Phys., Univ. of Joensuu, Joensuu, Finland
Журнал:
Journal of Physics C: Solid State Physics
Дата:
1982-05-10
Аннотация:
The frequency-dependent refractive index change is considered for some alkali halide crystals containing F colour centres. The F centre concentration was approximately the same in each crystal. The authors observed that, for the crystals studied, the refractive index change was strongest in KBr.
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