Zhang Y, Campbell S, Yeh P, Shen D, Ma X, Chen J. Submillisecond photorefractive response time of KNbO(3):Rb(+).
OPTICS LETTERS 1994;
19:1397-1399. [PMID:
19855531 DOI:
10.1364/ol.19.001397]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
We investigate the photorefractive response time of diffraction gratings in Rb(+)-doped KNbO(3) crystals. Two components of charge carriers, with different response times, are found to contribute to the photoinduced index gratings. One component, which contributes to approximately 70% of the index grating, shows a submillisecond rise time when the total intensity of the writing beams is larger than 5 W/cm(2). The dependence of the response time on the light intensity and the grating wave vector is also investigated.
Collapse