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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 17 — Aug. 17, 2009
  • pp: 14676–14686

Study of laser noises corresponding to different feedback configurations for blue-light optical pickup heads

Hsi-Fu Shih, Chao-Yang Cheng, Yuan-Chin Lee, and Cheng-Hsiung Kuo  »View Author Affiliations


Optics Express, Vol. 17, Issue 17, pp. 14676-14686 (2009)
http://dx.doi.org/10.1364/OE.17.014676


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Abstract

Based on the technology of real-time laser noise measurement which had been developed for the red-light DVD optical storage system before, this study investigates the laser noises corresponding to different feedback configurations by using the optical system of a blue-light HD-DVD optical pickup head (OPH) with the numerical aperture (NA) of 0.65 and the laser wavelength of 405 nm. It combines with a digital servo controller for dynamically measuring the blue laser noise while operated in an OPH. Experimental results show the variations of relative intensity noise (RIN) values corresponding to focusing errors, lens off-axis errors, disk rotation speeds, and laser emitting powers, respectively.

© 2009 OSA

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(210.0210) Optical data storage : Optical data storage
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4840) Optical design and fabrication : Testing
(250.5960) Optoelectronics : Semiconductor lasers

ToC Category:
Optical Data Storage

History
Original Manuscript: May 26, 2009
Revised Manuscript: July 29, 2009
Manuscript Accepted: July 31, 2009
Published: August 17, 2009

Citation
Hsi-Fu Shih, Chao-Yang Cheng, Yuan-Chin Lee, and Cheng-Hsiung Kuo, "Study of laser noises corresponding to different feedback configurations for blue-light optical pickup heads," Opt. Express 17, 14676-14686 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-17-14676


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References

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