Measurement of the increase in the shg coefficient of proton exchanged LiNbO 3 after annealing using a grating diffraction technique
- 1 May 1990
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 26 (10) , 624-626
- https://doi.org/10.1049/el:19900409
Abstract
The effect of limited levels of annealing on the SHG coefficient (d33) of proton-exchanged LiNbO3 has been determined by measuring nonphasematched SHG in a diffraction grating structure. The effect of annealing is to partially restore the intrinsic nonlinearity of the proton-exchanged layer.Keywords
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