REAL-TIME HOLOGRAPHIC BASEBAND FREQUENCY DEMODULATOR

被引：8
|
作者：
KHOURY, J
KANE, JS
KIERSTEAD, J
WOODS, C
HEMMER, P
机构：
[1] ROME LAB, OPT SIGNAL PROC BRANCH, BEDFORD, MA 01731 USA
[2] PARKE MATH LAB, BEDFORD, MA 01731 USA
来源：
APPLIED OPTICS | 1994年 / 33卷 / 14期
关键词：
D O I：
10.1364/AO.33.002909
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The multiplicative and low-bandpass filtering characteristics of real-time holograms in photorefractive media are used as a basis for a baseband frequency demodulator by means of holographic homodyne detection. We experimentally demonstrate the demodulation of spatial bandpass signals in the kilohertz regime and homodyne detection in the gigahertz regime.
引用
收藏
页码：2909 / 2916
页数：8
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