High-sensitivity small-angle sensor based on surface plasmon resonance technology and heterodyne interferometry

被引：44
作者：
Wang, Shinn-Fwu
Chiu, Ming-Hung
Lai, Chih-Wen
Chang, Rong-Seng
机构：
[1] Ching Yun Univ, Dept Elect Engn, Jhongli 320, Taoyuan, Taiwan
[2] Natl Formosa Univ, Dept Electroopt Engn, Huwei 632, Yunlin, Taiwan
[3] Natl Cent Univ, Inst Opt Sci, Jhongli 320, Taoyuan, Taiwan
来源：
APPLIED OPTICS | 2006年 / 45卷 / 26期
关键词：
D O I：
10.1364/AO.45.006702
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A high-sensitivity small-angle sensor based on surface plasmon resonance technology and heterodyne interferometry is proposed that uses a new technique with two right-angle prisms. Interestingly, the technique provides a novel method for designing small-angle sensors with high sensitivity and high resolution. Its theoretical resolution can reach 1.2 X 10(-7) rad over the measurement range of -0.15 degrees <= theta <= 0.15 degrees. The method has some merits, e.g., a simple optical setup, easy operation, high resolution, high sensitivity, and rapid measurement. Its feasibility is demonstrated. (c) 2006 Optical Society of America.
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收藏
页码：6702 / 6707
页数：6
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