Journal
APPLIED OPTICS
Volume 46, Issue 23, Pages 5917-5923Publisher
OPTICAL SOC AMER
DOI: 10.1364/AO.46.005917
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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. (c) 2007 Optical Society of America.
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