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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 7 — Mar. 1, 2000
  • pp: 1148–1151

Single aspherical lens for deastigmatism, collimation, and circularization of a laser beam

Zhou Xiao-qun, Bryan Ngoi Kok Ann, and Koh Soon Seong  »View Author Affiliations


Applied Optics, Vol. 39, Issue 7, pp. 1148-1151 (2000)
http://dx.doi.org/10.1364/AO.39.001148


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Abstract

An astigmatic and elliptically diverging laser beam generated by a gain-guided laser diode can be converted into a collimated and circular beam with a single specially designed lens. The designed lens also corrects for the astigmatism present in the laser diode. The input surface of the lens has a different concave and convex aspherical profile in the transverse and the longitudinal direction, respectively, for astigmatism correction. The output surface possesses a convex aspherical and a straight profile in the transverse and the longitudinal direction, respectively, for collimation and circularization of the final output laser beam.

© 2000 Optical Society of America

OCIS Codes
(080.2740) Geometric optics : Geometric optical design
(220.1000) Optical design and fabrication : Aberration compensation
(220.1250) Optical design and fabrication : Aspherics
(220.3620) Optical design and fabrication : Lens system design

History
Original Manuscript: May 25, 1999
Revised Manuscript: October 1, 1999
Published: March 1, 2000

Citation
Zhou Xiao-qun, Bryan Ngoi Kok Ann, and Koh Soon Seong, "Single aspherical lens for deastigmatism, collimation, and circularization of a laser beam," Appl. Opt. 39, 1148-1151 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-7-1148


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References

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