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High-angular-resolution interferometric backscatter meter
DOI:10.1364/OL.456391.png)
摘要
En 中文
Backscatter limits many interferometric measurements, including gravitational wave detectors, by creating spurious interference. We describe an experimental method to directly and quantitatively measure the backscatter interference. We derive and verify experimentally a relation between hackscatter interference, beam radius, and the scattering sample bidirectional reflectance distribution function. We also demonstrate that our method is able to measure backscatter from high-quality optics for angles as low as 500 mu rad with an angular resolution of 160 mu rad. (C) 2022 Optica Publishing Group
Keyword:
SCATTERING
NOISE
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
机构
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