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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 20 — Jul. 10, 2011
  • pp: 3646–3652

Implementation of phase-shift patterns using a holographic projection system with phase-only diffractive optical elements

Wei-Feng Hsu, Yu-Wen Chen, and Yuan-Hong Su  »View Author Affiliations


Applied Optics, Vol. 50, Issue 20, pp. 3646-3652 (2011)
http://dx.doi.org/10.1364/AO.50.003646


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Abstract

We proposed a method to implement spatial phase-shift patterns with subdiffraction limited features through a holographic projection system. The input device of the system displayed phase-only diffractive optical elements that were calculated using the iterative Fourier-transform algorithm with the dummy-area method. By carefully designing the target patterns to the algorithm, the diffractive optical elements generated the Fourier-transformed images containing the phase-shift patterns in which the widths of dark lines were smaller than the diffraction limit. With these demonstrations, we have successfully shown that the near-field phase-shift lithographic technique can be realized through an inexpensive maskless lithographic system and can still achieve subdiffraction limited images.

© 2011 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(050.5080) Diffraction and gratings : Phase shift
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: January 19, 2011
Revised Manuscript: May 25, 2011
Manuscript Accepted: May 26, 2011
Published: July 8, 2011

Citation
Wei-Feng Hsu, Yu-Wen Chen, and Yuan-Hong Su, "Implementation of phase-shift patterns using a holographic projection system with phase-only diffractive optical elements," Appl. Opt. 50, 3646-3652 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-20-3646

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