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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 4 — Feb. 16, 2009
  • pp: 2235–2246

Laser expander design of highly efficient Blu-ray disc pickup head

Wen-Shing Sun, Kun-Di Liu, Jui-Wen Pan, Chuen-Lin Tien, and Min-Sheng Hsieh  »View Author Affiliations


Optics Express, Vol. 17, Issue 4, pp. 2235-2246 (2009)
http://dx.doi.org/10.1364/OE.17.002235


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Abstract

We present a collimator design with a horizontal beam expander for a Blu-ray Disc pickup head. The design transforms the shape of a laser diode beam from an elliptical into circular which achieves higher efficiency in the pickup head system. In this research, we suggest two ways to do the beam expander. One way is to use two cylindrical lenses, and the other is to use two prisms.

© 2009 Optical Society of America

OCIS Codes
(080.0080) Geometric optics : Geometric optics
(210.0210) Optical data storage : Optical data storage
(210.4590) Optical data storage : Optical disks
(220.4830) Optical design and fabrication : Systems design
(110.2945) Imaging systems : Illumination design

ToC Category:
Optical Data Storage

History
Original Manuscript: November 3, 2008
Revised Manuscript: January 16, 2009
Manuscript Accepted: January 23, 2009
Published: February 3, 2009

Citation
Wen-Shing Sun, Kun-Di Liu, Jui-Wen Pan, Chuen-Lin Tien, and Min-Sheng Hsieh, "Laser expander design of highly efficient Blu-ray disc pickup head," Opt. Express 17, 2235-2246 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-4-2235


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References

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