UV-Cu II-laser with helical hollow cathodes

UV lasing was obtained with helical copper hollow cathodes. The output powers have been measured multiline (248–270 nm) for some helix geometries as a function of different discharge currents, Ne pressures, and mirror reflectivities. A maximum laser power of 580 mW has been obtained in a segmented d...

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Bibliographic Details
Published in:Journal of applied physics 1987-03, Vol.61 (5), p.2069-2071
Main Authors: EICHLER, H. J, HAMISCH, J, MACDONALD, R, SOLLINGER, M, CHEN, Y
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Gas lasers including excimer and metal-vapor lasers
Lasers
Optics
Physics
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Summary:UV lasing was obtained with helical copper hollow cathodes. The output powers have been measured multiline (248–270 nm) for some helix geometries as a function of different discharge currents, Ne pressures, and mirror reflectivities. A maximum laser power of 580 mW has been obtained in a segmented discharge tube with a total active length of 1.2 m. Laser action was also observed at 780 nm with a power of 1.3 W. The discharge stability is superior to other arrangements.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.338008