Sagnac interferometer for gravitational-wave detection

被引:75
作者
Sun, KX
Fejer, MM
Gustafson, E
Byer, RL
机构
[1] Edward L. Ginzton Laboratory, Stanford University, Stanford, CA
关键词
D O I
10.1103/PhysRevLett.76.3053
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have investigated a zero-area Sagnac interferometer as abroad band gravitational-wave detector. Frequency response measurements of a laboratory-scale interferometer are in excellent agreement with theory. The measured contrast ratio, 0.996, is insensitive to induced birefringence, laser-frequency variation, arm imbalance, and dc mirror displacement. A near shot-noise-limited phase sensitivity of 3 x 10(-9) rad/root Hz was measured at the interferometer's maximum sensitivity frequency, 90.9 MHz.
引用
收藏
页码:3053 / 3056
页数:4
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