Optical interferometric sensor
US8154734B2 · kind B2 · utility
1Cited by
1References
8Claims
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Key dates
| Filing date | Apr 23, 2009 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jul 24, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01H9/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Embodiments of environmental stimulus sensors comprising multiple sources and detectors for interrogating one or more optically resonant cavities that are responsive to one or more environmental stimuli are disclosed. Such sensors have, among other advantages, improved immunity to source and/or detector noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.