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Improved DMD configurations for image correlation (1990)

Lin, Tsen-Hwang ; Florence, James M. ; Juday, Richard D. ; [et al.]

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Publication Date: 2019-07-13

Description: Two novel deformable mirror structures have been developed for spatial light modulators: an 'AM torsion beam' and a 'phase-mostly single-quadrant cantilever' beam. Both devices are well-suited to optical correlator input and filtering functions. Which the optical modulation characteristic of the torsion-beam modulator is essential amplitude only, which is well suited for use as the input modulator of the optical correlator, the characteristic of the one-quadrant modulator is a phase-mostly modulation whose amplitude changes are coupled to the phase changes; this renders it operable in the Fourier plane of the optical correlator as the filtering device.

Keywords: OPTICS

Type: Advances in Optical Information Processing IV; Apr 18, 1990 - Apr 20, 1990; Orlando, FL; United States

Format: text

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