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Proceedings Article

Beam shaping technology for laser diode arrays

[+] Author Affiliations
Peter Y. Wang, Alice Gheen, Z. Wang

Apollo Instruments, Inc. (USA)

Proc. SPIE 4770, Laser Beam Shaping III, 131 (October 1, 2002); doi:10.1117/12.453490
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From Conference Volume 4770

  • Laser Beam Shaping III
  • Fred M. Dickey; Scott C. Holswade; David L. Shealy
  • Seattle, WA | July 07, 2002

abstract

High power LDA's in general have an emitter line dimension of 1cmx1μm and a beam divergence of 40°x10°, which could not be delivered or focused effectively with common optics. With the ever-increasing needs of high power diode laser sources, it is crucial to obtain high power high brightness diode laser beam with improved optical quality. Although it has been known that beam shaping techniques can be used to achieve this aim, it has been challenging to shape the laser beam effectively and efficiently to deliver it through an optical fiber with high brightness. By using a new beam shaping technology developed recently, however, brightness over 2.4 MW/cm2-str has been achieved by delivering 28W from a 0.1mm multimode fiber. Diode lasers are the most efficient laser comparing with other lasers, and its application in various industrial sectors will become more and more extensive.

© (2002) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Peter Y. Wang ; Alice Gheen and Z. Wang
"Beam shaping technology for laser diode arrays", Proc. SPIE 4770, Laser Beam Shaping III, 131 (October 1, 2002); doi:10.1117/12.453490; http://dx.doi.org/10.1117/12.453490


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