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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 22 — Aug. 1, 2013
  • pp: 5449–5454

Spatial filters for complex wavefront modulation

Tamás Sarkadi, Ádám Kettinger, and Pál Koppa  »View Author Affiliations

Applied Optics, Vol. 52, Issue 22, pp. 5449-5454 (2013)

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In this paper we propose a method to generate independent and simultaneous phase and amplitude modulation by a phase-only spatial light modulator and Fourier filtering. The incident light is modulated by a suitable phase pattern containing high spatial frequencies. The modulated light is transmitted through a 4f optical system having an appropriate spatial filter in the Fourier plane in order to synthesize the expected complex modulated wavefront on the output of the system. We propose a simple method to generate spatial filters applicable for the phase-only to complex modulated wavefront conversion. We analyze the quality of the output image related to the ideal wavefront using the proposed filters. We show that more efficient complex modulation can be realized by the proposed method than by the earlier solutions.

© 2013 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(200.3050) Optics in computing : Information processing
(200.4740) Optics in computing : Optical processing
(210.2860) Optical data storage : Holographic and volume memories

ToC Category:
Fourier Optics and Signal Processing

Original Manuscript: May 24, 2013
Revised Manuscript: July 4, 2013
Manuscript Accepted: July 8, 2013
Published: July 25, 2013

Tamás Sarkadi, Ádám Kettinger, and Pál Koppa, "Spatial filters for complex wavefront modulation," Appl. Opt. 52, 5449-5454 (2013)

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