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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 18 — Jun. 20, 2009
  • pp: 3317–3321

Design and characterization of a nonuniform linear vertical-cavity surface-emitting laser array with a Gaussian far-field distribution

Jinjiang Cui, Yongqiang Ning, Yan Zhang, Peng Kong, Guangyu Liu, Xing Zhang, Zhenfu Wang, Te Li, Yanfang Sun, and Lijun Wang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 18, pp. 3317-3321 (2009)
http://dx.doi.org/10.1364/AO.48.003317


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Abstract

A 980 nm bottom-emitting vertical-cavity surface-emitting laser array with a nonuniform linear arrangement is reported to realize emission with a Gaussian far-field distribution. This array is composed of five symmetrically arranged elements of 200 μm , 150 μm , and 100 μm diameter, with center spacing of 300 μm and 250 μm , respectively. An output power of 880 mW with a high power density of 1 k W/cm 2 is obtained. The divergence angle is below 20 ° in the range of operating current from 0 A to 6 A . The theoretical simulation of the near-field and the far-field distribution is in good agreement with the experimental result. The comparison between this nonuniform linear array, the single device, and the conventional two-dimensional array is carried out to demonstrate the good performance of the linear array.

© 2009 Optical Society of America

OCIS Codes
(140.3295) Lasers and laser optics : Laser beam characterization
(140.7260) Lasers and laser optics : Vertical cavity surface emitting lasers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: February 17, 2009
Revised Manuscript: May 21, 2009
Manuscript Accepted: May 27, 2009
Published: June 10, 2009

Citation
Jinjiang Cui, Yongqiang Ning, Yan Zhang, Peng Kong, Guangyu Liu, Xing Zhang, Zhenfu Wang, Te Li, Yanfang Sun, and Lijun Wang, "Design and characterization of a nonuniform linear vertical-cavity surface-emitting laser array with a Gaussian far-field distribution," Appl. Opt. 48, 3317-3321 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-18-3317

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