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Two-mirror beam-shaping technique for high power diode bars

Two-mirror beam-shaping technique for high power diode bars
Two-mirror beam-shaping technique for high power diode bars
A simple beam-shaping technique is described whereby the output from a highly asymmetric, non-diffraction-limited laser source, such as a high power diode bar, can be reconfigured with nearly equal beam quality factors in orthogonal planes and without a significant reduction in brightness. Using this technique, in conjunction with conventional lenses, the output from a 20 W cw diode bar has been focused to a very intense, nearly circular, spot with a 1/e2 beam diameter of ~100 µm and a far-field beam divergence (half-angle) of ~0.2 rad.
0146-9592
375-377
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Clarkson, W.A.
3b060f63-a303-4fa5-ad50-95f166df1ba2
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d

Clarkson, W.A. and Hanna, D.C. (1996) Two-mirror beam-shaping technique for high power diode bars. Optics Letters, 21 (6), 375-377. (doi:10.1364/OL.21.000375).

Record type: Article

Abstract

A simple beam-shaping technique is described whereby the output from a highly asymmetric, non-diffraction-limited laser source, such as a high power diode bar, can be reconfigured with nearly equal beam quality factors in orthogonal planes and without a significant reduction in brightness. Using this technique, in conjunction with conventional lenses, the output from a 20 W cw diode bar has been focused to a very intense, nearly circular, spot with a 1/e2 beam diameter of ~100 µm and a far-field beam divergence (half-angle) of ~0.2 rad.

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Published date: 1996

Identifiers

Local EPrints ID: 78380
URI: http://eprints.soton.ac.uk/id/eprint/78380
ISSN: 0146-9592
PURE UUID: 53b040f9-48ea-401c-8c26-3d6281e8d660

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Date deposited: 11 Mar 2010
Last modified: 14 Mar 2024 00:13

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Contributors

Author: W.A. Clarkson
Author: D.C. Hanna

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