Photonic crystal laser sensors and methods
US7492979B2 · kind B2 · utility
19Cited by
5References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2004 |
| Grant date | Feb 17, 2009 |
| Priority date | — |
| Expiry date | Feb 25, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2301/18
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A sensor apparatus includes a laser optically coupled to a photonic crystal structure configured to provide an evanescent field through a sensed medium region such that the photonic crystal structure functions as a cavity/resonator for the laser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.