Invention Grant
- Patent Title: Dispersion correction in optical frequency-domain reflectometry
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Application No.: US15848415Application Date: 2017-12-20
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Publication No.: US10545070B2Publication Date: 2020-01-28
- Inventor: Evan M. Lally , Justin W. Klein , Mark E. Froggatt , Emily E. H. Templeton
- Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
- Applicant Address: US CA Sunnyvale
- Assignee: Intuitive Surgical Operations, Inc.
- Current Assignee: Intuitive Surgical Operations, Inc.
- Current Assignee Address: US CA Sunnyvale
- Agency: Schwegman Lundberg & Woessner, P.A.
- Main IPC: G01B9/02
- IPC: G01B9/02 ; G01M11/00 ; G01D5/353

Abstract:
An optical frequency domain reflectometry (OFDR) measurement is produced from an OFDR apparatus that includes a tunable laser source coupled to a sensing interferometer and a monitor interferometer. The sensing interferometer is also coupled to a waveguide, e.g., an optical sensing fiber. Sensor interferometric data obtained by the OFDR measurement is processed in the spectral domain (e.g., frequency) with one or more parameters to compensate for the optical dispersion associated with the sensing interferometer data. A Fourier Transform of the dispersion-compensated sensing interferometric data in the spectral domain is performed to provide a dispersion-compensated OFDR measurement information in the temporal (e.g., time) domain.
Public/Granted literature
- US20180113051A1 DISPERSION CORRECTION IN OPTICAL FREQUENCY-DOMAIN REFLECTOMETRY Public/Granted day:2018-04-26
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