PARAMETRIC AMPLIFICATION OF A POLYCHROMATIC IMAGE

被引：57

作者：

DEVAUX, F

LANTZ, E

机构：

[1] Laboratoire d’Optique P. M. Duffieux, Centre National de la Recherche Scientifique, Université de Franche-Comté, Besaņcon Cedex, 25030

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1995年 / 12卷 / 11期

关键词：

D O I：

10.1364/JOSAB.12.002245

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The picosecond parametric amplification of a polychromatic image with a wavelength bandwidth of 140 nm and a gain of 15 dB has been obtained in a Lithium triborate type-I crystal (LBO). Approximately 8 lines/mm in both lateral dimensions were resolved in the crystal plane. This resolution value is in good agreement with a numerical study of the phase-matching conditions near collinear degeneracy, where phase matching is noncritical for the signal beam in angle as well as in wavelength. The parametric amplification of a monochromatic image in LBO is also studied. Because their polarizations are identical, the signal and the idler can interfere, leading to phase-sensitive amplification. (C) 1995 Optical Society of America

引用

页码：2245 / 2252

页数：8

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