Frequency up-conversion He-Ne laser without inversion

V. Ahufinger; R. Shuker; R. Corbalańn

doi:10.1007/s00340-004-1694-0

Frequency up-conversion He-Ne laser without inversion

V. Ahufinger, R. Shuker, R. Corbalańn

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

A scheme for obtaining up-conversion lasing without inversion in the visible range is proposed using a Doppler-broadened He-Ne mixture as active medium. We consider a cascade scheme (2s₂ ↔ 2p₂ ↔1s₃) with a frequency up-conversion ratio of 1.91. The upper transition is inverted and driven by an external field and lasing without inversion occurs at 616.4 nm provided that the collisional decay rates of the 1s₃ and 1s₅ levels overcome a certain threshold.

Original language	English
Pages (from-to)	67-72
Number of pages	6
Journal	Applied Physics B: Lasers and Optics
Volume	80
Issue number	1
DOIs	https://doi.org/10.1007/s00340-004-1694-0
State	Published - 1 Jan 2005

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)
General Physics and Astronomy

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AB - A scheme for obtaining up-conversion lasing without inversion in the visible range is proposed using a Doppler-broadened He-Ne mixture as active medium. We consider a cascade scheme (2s2 ↔ 2p2 ↔1s3) with a frequency up-conversion ratio of 1.91. The upper transition is inverted and driven by an external field and lasing without inversion occurs at 616.4 nm provided that the collisional decay rates of the 1s3 and 1s5 levels overcome a certain threshold.

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Frequency up-conversion He-Ne laser without inversion

Abstract

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