Methods and systems for reducing complex conjugate ambiguity in interferometric data
US7336366B2 · kind B2 · utility
165Cited by
8References
19Claims
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Key dates
| Filing date | Jan 20, 2006 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Aug 17, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B9/02091
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A complex conjugate ambiguity can be resolved in an Optical Coherence Tomography (OCT) interferogram. A reference light signal is propagated along a reference path. A sample light signal is impinged on a sample reflector. The reference light signal is frequency shifted with respect to the sample light signal to thereby separate a positive and a negative displacement of a complex conjugate component of the OCT interferogram.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.