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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 4 — Feb. 19, 2007
  • pp: 1408–1414

Micro actuated grating for multi-beam optical pickups

Chi-Hung Lee, Yi Chiu, and Han-Ping D. Shieh  »View Author Affiliations


Optics Express, Vol. 15, Issue 4, pp. 1408-1414 (2007)
http://dx.doi.org/10.1364/OE.15.001408


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Abstract

A stress-induced curved polysilicon actuator with a grating is achieved for the application of recordable optical pickups, which have been realized on a single silicon chip using a two-layer poly-silicon and one-layer silicon nitride micro-machining process. Three diffracted beams with equal intensity in each order from the grating were generated while applying a voltage to the actuator. The switching between the single beam and multiple beams can be applied for writing data and reading data in the disc, respectively.

© 2007 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(210.0210) Optical data storage : Optical data storage
(220.4000) Optical design and fabrication : Microstructure fabrication
(350.3950) Other areas of optics : Micro-optics

ToC Category:
Diffraction and Gratings

History
Original Manuscript: December 12, 2006
Revised Manuscript: January 27, 2007
Manuscript Accepted: February 6, 2007
Published: February 19, 2007

Citation
Chi-Hung Lee, Yi Chiu, and Han-Ping D. Shieh, "Micro actuated grating for multi-beam optical pickups," Opt. Express 15, 1408-1414 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-4-1408


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References

  1. A. Alon and J. Finkelstein, World Patent WO 98/37554 (1998).
  2. A. Alon and T. Kosoburd, ‘‘Multi-beam optical pickup,’’ U.S. Patent. No. 6,411,573 (2002).
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  10. F. P. Beer and E. R. Johnston, Mechanics of Materials, 2nd Ed., (McGraw-Hill, NY, 1992)

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