Slow-flow, diffusion-cooled, microwave-pumped CO<sub>2</sub> laser

Ignacio J. Rios; Carlos F. Mosquera; Juan L. Ladaga; Gabino Colangelo; Guillermo D. Santiago

doi:10.1117/12.529233

19 November 2003 Slow-flow, diffusion-cooled, microwave-pumped CO₂ laser

Ignacio J. Rios, Carlos F. Mosquera, Juan L. Ladaga, Gabino Colangelo, Guillermo D. Santiago

Proceedings Volume 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life; (2003) https://doi.org/10.1117/12.529233
Event: 19th Congress of the International Commission for Optics: Optics for the Quality of Life, 2002, Florence, Italy

Abstract

We present a prototype of a diffusion-cooled microwave excited CO₂ laser. The microwave power, generated by a 2.45 GHz CW magnetron, excites the CO₂:N₂:He mixture in a discharge cavity. The magnetron is coupled to the cavity through a launching guide and two cascaded horns that match the TE₁₀ guide mode to the cavity. The excess heat is mainly extracted by diffusive cooling to the cavity walls. We present measurements of the small signal gain and the output power as function of the gas pressure.

Citation Download Citation

Ignacio J. Rios, Carlos F. Mosquera, Juan L. Ladaga, Gabino Colangelo, and Guillermo D. Santiago "Slow-flow, diffusion-cooled, microwave-pumped CO₂ laser", Proc. SPIE 4829, 19th Congress of the International Commission for Optics: Optics for the Quality of Life, (19 November 2003); https://doi.org/10.1117/12.529233

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KEYWORDS

Carbon dioxide lasers

Microwave radiation

Carbon monoxide

Gas lasers

Plasma

Prototyping

Mirrors

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