Influence of the 61 S 0a63 P 1 resonance on continuous Lyman-I- generation in mercury

Continuous coherent radiation in the vacuum ultraviolet at 122 nm (Lyman-I-) can be generated using sum-frequency mixing of three fundamental laser beams in mercury vapor. One of the fundamental beams is at 254 nm wavelength, which is close to the 61 S 0a63 P 1 resonance in mercury. Experiments have...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2013-12, Vol.113 (4), p.559-566
Main Authors: Kolbe, Daniel, Scheid, Martin, Walz, Jochen
Format: Article
Language:English
Subjects:
Beams (radiation)
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Summary:Continuous coherent radiation in the vacuum ultraviolet at 122 nm (Lyman-I-) can be generated using sum-frequency mixing of three fundamental laser beams in mercury vapor. One of the fundamental beams is at 254 nm wavelength, which is close to the 61 S 0a63 P 1 resonance in mercury. Experiments have been performed to investigate the effect of this one-photon resonance on phase-matching, absorption and the nonlinear yield. The efficiency of continuous Lyman-I- generation has been improved by a factor of 4.5.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-013-5510-6