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