Optical compensation for thermal lensing in conductively cooled laser rod
US4199735A · kind A · utility
6Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 1978 |
| Grant date | Apr 22, 1980 |
| Priority date | — |
| Expiry date | Jul 3, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/08072
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Thermal lensing effects in a conductively cooled optically pumped laser rod are compensated by limiting the width of thermal contact between the rod surface and its supporting heat sink to an arc width of 70.degree. to 80.degree. and utilizing a simple cylindrical laser cavity mirror or mirrors. This limited heat sink contact produces nearly parallel isotherms in the rod which react with the laser beam so that it may be readily focused by a cylindrical beam focusing means in the laser optical resonator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.