Title :
Measurement of group velocity of light in a volume index grating of photorefractive LiNbO/sub 3/ crystals
Author :
Yeh, P. ; Lin, S.H. ; Hsu, K.Y.
Author_Institution :
California Univ., Santa Barbara, CA, USA
Abstract :
We investigate the group velocity of light at the bandedge of an one-dimensional index grating in a photorefractive LiNbO/sub 3/ crystal. We obtained a large group index of up to 7.5 in a 5-cm crystal sample.
Keywords :
diffraction gratings; energy gap; lithium compounds; photorefractive materials; refractive index; 5 cm; LiNbO/sub 3/; bandedge; crystal sample; large group index; light group velocity measurement; one-dimensional index grating; photorefractive LiNbO/sub 3/ crystals; volume index grating; Lithium compounds;
Conference_Titel :
Nonlinear Optics: Materials, Fundamentals, and Applications, 2000. Technical Digest
Conference_Location :
Kaua´i-Lihue, HI, USA
Print_ISBN :
1-55752-646-X
DOI :
10.1109/NLO.2000.883585
