Abstract
In this work photoinduced phenomenons in iron-doped (C= 0,01; 0,038; 0,05; 0,07 wt.%) and copper-doped (C =0,01; 0,025; 0,04 wt.%) lithium niobate and lithium tantalate single crystals have been investigated using the Raman scattering (RS) and IR-reflection speotroscopy. The following types of lasers were used as illumination sourses: YAG:Nd3+ (λ = 10640 Å); He-Ne (6328 Å); Ar+(5145, 4880 Å); He-Cd (4416 Å).
© 1991 Optical Society of America
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