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Proceedings Paper

Performance enhancement of high-power laser diodes and arrays by use of volume Bragg grating technology
Author(s): Boris L. Volodin; S. V. Dolgy; E. D. Melnik; E. Downs; J. Shaw; Vladimir S. Ban
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Paper Abstract

Volume Bragg grating (VBG) technology has been shown to improve spectral characteristics of the high-power laser diodes and arrays. We review the recent advances in VBG technology that lead to better spectral performance as well as improvements in spatial brightness of the high-power laser diode arrays. The VBG technology has been applied to manufacturing of high-power laser diode arrays suitable for spectral beam combining to achieve even higher spatial brightness. The approach involves fabrication of VBG elements with transverse chirp of the Bragg period. Wavelength tuning of the laser diode arrays and wavelength-shifted laser diode bar operation have been demonstrated, which will lead to manufacturing of spectrally combined high-brightness arrays.

Paper Details

Date Published: 17 March 2005
PDF: 4 pages
Proc. SPIE 5711, High-Power Diode Laser Technology and Applications III, (17 March 2005); doi: 10.1117/12.588776
Show Author Affiliations
Boris L. Volodin, PD-LD Inc. (United States)
S. V. Dolgy, PD-LD Inc. (United States)
E. D. Melnik, PD-LD Inc. (United States)
E. Downs, PD-LD Inc. (United States)
J. Shaw, PD-LD Inc. (United States)
Vladimir S. Ban, PD-LD Inc. (United States)

Published in SPIE Proceedings Vol. 5711:
High-Power Diode Laser Technology and Applications III
Mark S. Zediker, Editor(s)

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