Comparisons of waveguide folding geometries in a CO/sub 2/ z-fold laser
Journal Article
·
· Appl. Opt.; (United States)
In this paper we compare three types of optical arrangement used for folding in a z-fold CO/sub 2/ waveguide laser excited by a transverse rf discharge. In particular, we present measured output power as a function of discharge conditions for folded resonators with plane mirrors, curved mirrors, and partial waveguiding. To date the laser has produced a maximum of 53.4 W from 115 cm of discharge, i.e., 0.46 W/cm. The folding losses predicted by scalar diffraction theory agree reasonably well with those derived from a fit between the experimental data and a Rigrod analysis.
- Research Organization:
- Heriot Watt University, Physics Department, Optoelectronics and Laser Engineering, Riccarton, Edinburgh EH14 4AS, U.K.
- OSTI ID:
- 6415069
- Journal Information:
- Appl. Opt.; (United States), Journal Name: Appl. Opt.; (United States) Vol. 28:5; ISSN APOPA
- Country of Publication:
- United States
- Language:
- English
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