Production of high average power UV by second-harmonic and sum-frequency generation from copper-vapor lasers

David W. Courts, Daniel J. W. Brown

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Progress in high average power UV generation by nonlinear frequency conversion of the output of copper-vapor lasers (CVL's) is reviewed. The specific parameters controlling the efficiency of nonlinear frequency conversion using CVL's are highlighted, with CVL beam quality and matching the optical beam delivery system to the characteristics of the nonlinear crystal being identified as the most significant issues. Recent experimental studies of second harmonic generation (SHG) with single-CVL oscillators and CVL oscillator-amplifier systems show that by careful optimization of the CVL pump laser and beam delivery systems, it is now possible to generate multiwatt average powers in the UV with high optical conversion efficiency (up to 35%) and overall electrical efficiency (approaching 0.1%).

LanguageEnglish
Pages768-778
Number of pages11
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume1
Issue number3
DOIs
Publication statusPublished - Sep 1995

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Vapors
vapors
Copper
harmonics
copper
Lasers
lasers
frequency converters
delivery
oscillators
Beam quality
Harmonic generation
Conversion efficiency
Laser beams
harmonic generations
amplifiers
Pumps
laser beams
pumps
Crystals

Bibliographical note

Copyright 1995 IEEE. Reprinted from IEEE journal of selected topics in quantum electronics. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Macquarie University’s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Cite this

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abstract = "Progress in high average power UV generation by nonlinear frequency conversion of the output of copper-vapor lasers (CVL's) is reviewed. The specific parameters controlling the efficiency of nonlinear frequency conversion using CVL's are highlighted, with CVL beam quality and matching the optical beam delivery system to the characteristics of the nonlinear crystal being identified as the most significant issues. Recent experimental studies of second harmonic generation (SHG) with single-CVL oscillators and CVL oscillator-amplifier systems show that by careful optimization of the CVL pump laser and beam delivery systems, it is now possible to generate multiwatt average powers in the UV with high optical conversion efficiency (up to 35{\%}) and overall electrical efficiency (approaching 0.1{\%}).",
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Production of high average power UV by second-harmonic and sum-frequency generation from copper-vapor lasers. / Courts, David W.; Brown, Daniel J. W.

In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 1, No. 3, 09.1995, p. 768-778.

Research output: Contribution to journalArticleResearchpeer-review

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