Low-frequency thermal noise in optical fiber cavities

被引:20
|
作者
Foster, Scott [1 ]
机构
[1] Def Sci & Technol Org, Maritime Operat Div, Edinburgh, SA 5111, Australia
关键词
ULTIMATE LIMIT;
D O I
10.1103/PhysRevA.86.043801
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Thermodynamic phase fluctuations in optical fiber cavities are analyzed in detail, with an emphasis on asymptotic behavior in the low-frequency regime. Both exact series solutions and closed-form approximations are derived for thermal noise under a range of different boundary conditions. These results clarify theoretical limits to strain resolution in optical fiber sensors at low frequency, enabling correct interpretation of recent experiments.
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页数:8
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