Generation and spectral parameters of a sealed-off CO laser with nonselective and disperse resonators as a function of degree of cooling the walls of sealed-off active element

Yuri N. Bulkin; V. V. Buzoverya; Vladimir Masychev; Maxim Yu. Deryugin; Sergey A. Novikov

doi:10.1117/12.473054

25 June 2003 Generation and spectral parameters of sealed-off CO-laser with non-selective and disperse resonators as a function of degree of cooling the walls of sealed-off active element

Yuri N. Bulkin, V. V. Buzoverya, Vladimir Masychev, Maxim Yu. Deryugin, Sergey A. Novikov

Author Affiliations +

Proceedings Volume 4969, Laser Resonators and Beam Control VI; (2003) https://doi.org/10.1117/12.473054
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

CO-lasers on the basis of sealed-off active elements (SAE) with an average operational life of ~3000 hours nave a simple design and are cost-effective. They don't need gas blow off and cryogenic equipment, as well as the system of toxic gas evacuation etc. Generally, sealed-off active elements are operated at the temperatures of the cooling agent of 10°C<t<15°C. Cryogenic cooling is impossible for them, so it is interesting to perform optimization of the laser parameters at the tolerable for SAE negative temperatures. There has been performed the research on the basic output parameter of the automated modified CO-laser, which is applicable for research in medicine, ecology, active media and material study and which we described earlier, at negative temperatures of SAE up to t ~-40 °C. These measurements were made using an inexpensive standalone cooling system ("Haake Circulators"). The measurements have shown that both the width of area of spectrum modification and the power of generation at separate lines go up as the degree of cooling grows.

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Yuri N. Bulkin, V. V. Buzoverya, Vladimir Masychev, Maxim Yu. Deryugin, and Sergey A. Novikov "Generation and spectral parameters of sealed-off CO-laser with non-selective and disperse resonators as a function of degree of cooling the walls of sealed-off active element", Proc. SPIE 4969, Laser Resonators and Beam Control VI, (25 June 2003); https://doi.org/10.1117/12.473054

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KEYWORDS

Resonators

Mirrors

Diffraction gratings

Gas lasers

Laser resonators

Chemical elements

Coating

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