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  • Vol. 21, Iss. 6 — Mar. 15, 1996
  • pp: 375–377

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

W. A. Clarkson and D. C. Hanna  »View Author Affiliations


Optics Letters, Vol. 21, Issue 6, pp. 375-377 (1996)
http://dx.doi.org/10.1364/OL.21.000375


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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, we have focused the output from a 20-W cw diode bar 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.

© 1996 Optical Society of America

History
Original Manuscript: October 16, 1995
Published: March 15, 1996

Citation
W. A. Clarkson and D. C. Hanna, "Two-mirror beam-shaping technique for high-power diode bars," Opt. Lett. 21, 375-377 (1996)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-21-6-375


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References

  1. H. Zbinden, J. E. Balmer, Opt. Lett. 15, 1014 (1990). [CrossRef] [PubMed]
  2. Th. Graf, J. E. Balmer, Opt. Lett. 18, 1317 (1993). [CrossRef] [PubMed]
  3. M. S. Kierstead, T. M. Baer, in Conference on Lasers and Electro-Optics, Vol. 10 of 1991 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1991), p. 490.
  4. J. R. Leger, W. C. Goltsos, IEEE J. Quantum Electron. 28, 1088 (1992). [CrossRef]
  5. S. Yamaguchi, T. Kobayashi, Y. Saito, K. Chiba, Opt. Lett. 20, 898 (1995). [CrossRef] [PubMed]
  6. W. A. Clarkson, A. B. Neilson, D. C. Hanna, UK patent application9324589.2 (1993).

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