Optimization of line-focusing geometry for efficient nonlinear frequency conversion from copper-vapor lasers | Macquarie University ResearchOnline

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Title: Optimization of line-focusing geometry for efficient nonlinear frequency conversion from copper-vapor lasers
Related: IEEE journal of quantum electronics, Vol. 31, Issue 12 (1995), p.2208-2214
DOI: 10.1109/3.477748
Publisher: Institute of Electrical and Electronics Engineers
Date: 1995
Author/Creator: Coutts, D. W
Description: Detailed parametric investigations of line foci for efficient nonlinear frequency conversion of copper-vapor lasers are presented. For a single medium-scale copper-vapor laser (nominally 20 W), the optimum focal geometry for efficient second-harmonic and sum-frequency generation in BBO is to focus a 3.75-mm-diameter beam into the crystal with an f=60 mm cylindrical lens, Using such a focal geometry, UV powers of up to 1.75 W (SHG of the green), 1.2 W (SHG yellow), and 1.5 W (SFG) have been produced with peak instantaneous conversion efficiency of up to 48%. Conversion efficiencies are most sensitive to the F-number of the cylindrical focusing, with the optimum F-number being approximately 16, and are relatively insensitive to the width of the focused beam.
Description: 7 page(s)
Resource Type: journal article
Organisation: Macquarie University. Dept. of Physics and Astronomy

Identifier: http://hdl.handle.net/1959.14/109410
Identifier: ISSN:0018-9197
Identifier: mq-rm-2006008605
Language: eng
Rights: Copyright 1995 IEEE. Reprinted from IEEE journal of 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.
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