Device and method for measuring the contrast of the fringes in a michelson interferometer and system for examination of the eye comprising such a device
US7950801B2 · kind B2 · utility
1Cited by
10References
24Claims
0Family size
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Key dates
| Filing date | Jan 21, 2005 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Dec 2, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01B2290/70
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a device, for measuring the contrast of fringes in a Michelson interferometer at full field, comprising a Wollaston prism for diverting two perpendicular incident polarizations into two different emergent directions, said diverting means being arranged within the interferometer as substitute for a single polarizer. The device is of application to a Michelson interferometer used in an OCT tomographical system and comprising means for obtaining interferometric contrast without use of a modulation technique or synchronous detection methods.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.