The coupling gain for different photorefractive materials with counterpropagating beams

Autor: Z. Chen, T. Shiosaki, A. Krumins
Rok vydání: 1995
Předmět:
Zdroj: Ferroelectrics. 170:237-241
ISSN: 1563-5112
0015-0193
DOI: 10.1080/00150199508014214
Popis: The effects of photo-voltaic (LiNbO3:Fe) and drift (PLZT 9/65/35) nonlinearities on the recording reflection gratings are considered. The discontinuities of transmitted and backscattered laser beam incident along the optical axis are observed in LiNbO3:Fe and described by the quasi-breakdown at the surface due to a strong photovoltaic field. The origin of large coupling gain (26 cm−1) for reflection grating in LiNbO3:Fe and zero gain in PLZT 9/65/35 in applied field have been discussed.
Databáze: OpenAIRE