- 专利标题： System and method for stabilization of multi-path optical interferometers
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申请号： US17008070申请日： 2020-08-31
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公开(公告)号： US11506477B2公开(公告)日： 2022-11-22
- 发明人: Mehedi Islam , Piotr Roztocki , Michael Kues , Christian Reimer , Bennet Fisher , Stefania Sciara , Robin Helsten , Yanbing Zhang , Yoann Jestin , Roberto Morandotti
- 申请人： INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE , The University Court of the University of Glasgow
- 申请人地址： CA Quebec; GB Glasgow
- 专利权人： INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE,The University Court of the University of Glasgow
- 当前专利权人： INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE,The University Court of the University of Glasgow
- 当前专利权人地址： CA Quebec; GB Glasgow
- 代理机构： Lavery, De Billy, LLP
- 代理商 Gwendoline Bruneau
- 主分类号： G01B9/02015
- IPC分类号： G01B9/02015 ; G01B9/02001
摘要：
A system and a method for phase extraction of a multi-path interferometer, the method comprising generating a reference signal of a coherence length longer than an arm length difference of the multi-path interferometer; splitting the reference signal into a frequency shifted reference signal and an unshifted reference signal; recombining the frequency shifted reference signal and the unshifted reference signal into a polarization- and frequency-multiplexed reference signal, and feeding the polarization- and frequency-multiplexed reference signal to the multi-path interferometer; detecting frequency shifted and unshifted output signals of the multi-path interferometer; and determining the interferometer phase from the detected signal.
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