Optomechanical detection of weak forces

被引：0
作者：
Vitali, D [1 ]
Mancini, S [1 ]
Tombesi, P [1 ]
机构：
[1] Univ Camerino, INFM, I-62032 Camerino, Italy
来源：
FLUCTUATIONS AND NOISE IN PHOTONICS AND QUANTUM OPTICS | 2003年 / 5111卷
关键词：
optomechanical devices; feedback; high-sensitive detection;
D O I：
10.1117/12.491075
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Optomechanical systems are often used for the measurement of weak forces. Feedback loops can be used in these systems for achieving noise reduction. Here we show that even though feedback is not able to improve the signal to noise ratio of the device in stationary conditions, it is possible to design a nonstationary strategy able to improve the sensitivity.
引用
收藏
页码：55 / 66
页数：12
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