Laser filament imager
US7339972B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2005 |
| Grant date | Mar 4, 2008 |
| Priority date | — |
| Expiry date | Mar 7, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/0014
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus includes a gas chamber comprising a gas feed nozzle, an exhaust nozzle, and a window. The apparatus also includes a first partial reflector, in the gas chamber, sharing an optical path with the exhaust nozzle, and the window. Optionally, The apparatus includes a gas source communicating with the gas feed nozzle. Optionally, the gas source includes a gas having an ionization potential higher than air and a nonlinear index of refraction lower than air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.