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Proceedings Paper

Ridge-waveguide type microwave-pumped system versatile to both CO2 and CO lasers
Author(s): Yutaka Kodama; Heihachi Sato
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Paper Abstract

A prototype of ridge-waveguide type microwave pumped systems versatile to both CO2 and CO lasers has been adopted to a compact fast-axial flow scheme. Dependence of the output power Pout on total gas pressure p, microwave power Ppump and gas-flow velocity (nu) is investigated for both the lasers, together with the effect of (nu) 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 CO2 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.

Paper Details

Date Published: 30 September 1996
PDF: 8 pages
Proc. SPIE 2889, High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers, (30 September 1996); doi: 10.1117/12.253256
Show Author Affiliations
Yutaka Kodama, National Defense Academy (Japan)
Heihachi Sato, National Defense Academy (Japan)


Published in SPIE Proceedings Vol. 2889:
High-Power Lasers: Solid State, Gas, Excimer, and Other Advanced Lasers
Sui-Sheng Mei; Keith A. Truesdell, Editor(s)

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