Discharge-pumped gas laser with baffle partition for controlled laser gas flow at preionizers
US5239553A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Apr 22, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/225
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A discharge-pumped gas laser has a pressure container filled with a laser gas under pressure and a pair of elongate main discharge electrodes. The main discharge electrodes are disposed in the pressure container in confronting relationship to each other for producing an electric discharge in the laser gas in a main discharge region defined therebetween to excite the laser gas for laser emission. The laser gas is circulated to flow through the main discharge region in a direction perpendicular to the main discharge electrodes. The laser gas in the main discharge region is preionized by an UV preionizer disposed either upstream or downstream of the main discharge region with respect to the direction of flow of the laser beam. The pressure container houses a baffle partition for controlling the laser gas to flow past one of the main discharge electrodes and the preionizer while blocking the laser gas from directly flowing to the other of the main discharge electrodes and the preionizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.