Abstract
Photoinduced second harmonic generation was found in BiB 3O 6 (BiBO) glass having different degree of crystallinity. We have revealed that an increasing degree of crystallinity of BiBO glass leads to increase of the output second-order optical susceptibility. We have used a pulsed 35 MW nitrogen laser ( λ=337 nm ; τ=50 ps ) as a source of photoinducing laser beam. Fundamental laser beam was generated by pulsed Nd:YAG laser ( λ=1.06 μm ; time duration about 25 ps). Maximal value of the photoinduced second-order non-linear optical susceptibility d 222 was equal to about 5 pm/V, what is substantially higher than in case of BiBO single crystals (∼ 3 pm/ V ).
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