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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 23 — Aug. 10, 2007
  • pp: 5917–5923

Holographic femtosecond laser processing using optimal-rotation-angle method with compensation of spatial frequency response of liquid crystal spatial light modulator

Hidetomo Takahashi, Satoshi Hasegawa, and Yoshio Hayasaki  »View Author Affiliations


Applied Optics, Vol. 46, Issue 23, pp. 5917-5923 (2007)
http://dx.doi.org/10.1364/AO.46.005917


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Abstract

Holographic femtosecond laser processing performs high-speed parallel processing using a computer-generated hologram (CGH) displayed on a liquid crystal spatial light modulator. A critical issue is to precisely control the intensities of the diffraction peaks of the CGH. We propose a method of compensating for the spatial frequency response in the design of CGH using the optimal-rotation-angle method. By applying the proposed method, the uniformity of the diffraction peaks was improved. We demonstrate holographic femtosecond laser processing with two-dimensional and three-dimensional parallelism.

© 2007 Optical Society of America

OCIS Codes
(090.1760) Holography : Computer holography
(090.2890) Holography : Holographic optical elements
(140.7090) Lasers and laser optics : Ultrafast lasers
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Holography

History
Original Manuscript: February 20, 2007
Revised Manuscript: June 4, 2007
Manuscript Accepted: June 26, 2007
Published: August 9, 2007

Citation
Hidetomo Takahashi, Satoshi Hasegawa, and Yoshio Hayasaki, "Holographic femtosecond laser processing using optimal-rotation-angle method with compensation of spatial frequency response of liquid crystal spatial light modulator," Appl. Opt. 46, 5917-5923 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-23-5917

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