Reconfigurable all-diffractive optical filters using phase-only spatial light modulators

PLUTO / PLUTO-2 Spatial Light Modulators
Digital-/ Computer Holography/ CGH Imaging/ Image Processing
Published on:
Authors: Gladys Mínguez-Vega, V. R. Supradeepa, Omel Mendoza-Yero, Andrew M. Weiner
Abstract:
“We demonstrate a reconfigurable optical filter implemented using a phase-only two-dimensional liquid-crystal-on-silicon spatial light modulator. To achieve this we utilize two different approaches leading to two different configurations in the modulator. The first one, based on a spatially patterned diffractive lens, permits us to obtain the desired spectrum along the optical axis and, in the second one, which is based on a generalized spectrometer, the desired spectrum is found outside of the optical axis. Experimental results show good agreement with the theory and indicate the validity of this technique.”

Restricted Access

Publication: Optics Letters
Issue/Year: Optics Letters, Vol. 35, Issue 14, pp. 2406-2408 (2010)
DOI: 10.1364/OL.35.002406
Link: https://doi.org/10.1364/OL.35.002406

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