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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 19 — Jul. 1, 2009
  • pp: 3771–3787

Optical-limiter MEMS dynamic range compression deconvolution

Bahareh Haji-saeed, William D. Goodhue, Charles L. Woods, John Kierstead, and Jed Khoury  »View Author Affiliations


Applied Optics, Vol. 48, Issue 19, pp. 3771-3787 (2009)
http://dx.doi.org/10.1364/AO.48.003771


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Abstract

We propose dynamic range compression deconvolution by a new nonlinear optical-limiter microelectromechanical system (NOLMEMS) device. The NOLMEMS uses aperturized, reflected coherent light from optically addressed, parabolically deformable mirrors. The light is collimated by an array of microlenses. The reflected light saturates as a function of optical drive intensity. In this scheme, a joint image of the blurred input information and the blur impulse response is captured and sent to a spatial light modulator (SLM). The joint information on the SLM is read through a laser beam and is Fourier transformed by a lens to the back of the NOLMEMS device. The output from the NOLMEMS is Fourier transformed to produce the restored image. We derived the input–output nonlinear transfer function of our NOLMEMS device, which relates the transmitted light from the pinhole to the light intensity incident on the back side of the device, and exhibits saturation. We also analyzed the deconvolution orders for this device, using a nonlinear transform method. Computer simulation of image deconvolution by the NOLMEMS device is also presented.

© 2009 Optical Society of America

OCIS Codes
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Nonlinear Optics

History
Original Manuscript: October 8, 2008
Revised Manuscript: May 21, 2009
Manuscript Accepted: June 3, 2009
Published: June 24, 2009

Citation
Bahareh Haji-saeed, William D. Goodhue, Charles L. Woods, John Kierstead, and Jed Khoury, "Optical-limiter MEMS dynamic range compression deconvolution," Appl. Opt. 48, 3771-3787 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-19-3771

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