Ridge-waveguide type microwave pumped system versatile to both CO{sub 2} and CO lasers
Book
·
OSTI ID:529710
- National Defense Academy, Yokosuka (Japan). Dept. of Electrical Engineering
A prototype of ridge-waveguide type microwave pumped systems versatile to both CO{sub 2} and CO lasers has been adopted to a compact fast-axial flow (FAF) scheme. Dependence of the output power P{sub out} on total gas pressure p, microwave power P{sub pump} and gas-flow velocity v is investigated for both the lasers, together with the effect of v on gas temperature T. The maximum output powers of 42 W and 15 W are, respectively, obtained with the discharge lengths of 11 cm and 37 cm for CO{sub 2} and CO lasers, corresponding to the scaling-powers of 380 W and 38 W to a unit discharge length. Since the ridge-waveguide is, thus far, not optimized yet, there is still some room in CO laser to be modified for effective pumping, involving the direction of gas-flow.
- OSTI ID:
- 529710
- Report Number(s):
- CONF-9611124--; ISBN 0-8194-2290-8
- Country of Publication:
- United States
- Language:
- English
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