Mach Zehnder photonic crystal sensors and methods
US7289221B2 · kind B2 · utility
22Cited by
10References
21Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 27, 2004 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Nov 16, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/45
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor apparatus includes a photonic crystal structure including a Mach Zehnder interferometer with a reference arm and a sensor arm configured to provide an evanescent field through a sensed medium region adjacent to the sensor arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.