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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 30 — Oct. 20, 2006
  • pp: 7791–7794

Self-interferometric technique for visualization of phase patterns encoded onto a liquid-crystal display

Joel B. Bentley, Jeffrey A. Davis, Jorge Albero, and Ignacio Moreno  »View Author Affiliations

Applied Optics, Vol. 45, Issue 30, pp. 7791-7794 (2006)

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We report a new self-interferometric technique for visualizing phase patterns that are encoded onto a phase-only liquid-crystal display (LCD). In our approach, the LCD generates both the desired object beam as well as the reference beam. Normally the phase patterns are encoded with a phase depth of 2 π radians, and all of the incident energy is diffracted into the first-order beam. However, by reducing this phase depth, we can generate an additional zero-order diffracted beam, which acts as the reference beam. We work at distances such that these two patterns spatially interfere, producing an interference pattern that displays the encoded phase pattern. This approach was used recently to display the phase vortices of helical Ince–Gaussian beams. Here we show additional experimental results and analyze the process.

© 2006 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(070.4560) Fourier optics and signal processing : Data processing by optical means
(120.5050) Instrumentation, measurement, and metrology : Phase measurement
(120.5060) Instrumentation, measurement, and metrology : Phase modulation
(230.3720) Optical devices : Liquid-crystal devices
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Instrumentation, Measurement, and Metrology

Original Manuscript: April 10, 2006
Manuscript Accepted: June 6, 2006

Joel B. Bentley, Jeffrey A. Davis, Jorge Albero, and Ignacio Moreno, "Self-interferometric technique for visualization of phase patterns encoded onto a liquid-crystal display," Appl. Opt. 45, 7791-7794 (2006)

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  1. D. Malacara, Optical Shop Testing (Wiley, 1992).
  2. A. Bergeron, J. Gauvin, F. Gagnon, D. Gingras, H. H. Arsenault, and M. Douchet, "Phase calibration and applications of a liquid-crystal spatial light modulator," Appl. Opt. 34, 5133-5139 (1995). [CrossRef] [PubMed]
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  8. J. A. Davis, D. A. Smith, D. E. McNamara, D. M. Cottrell, and J. Campos, "Fractional derivatives:analysis and experimental implementation," Appl. Opt. 40, 5943-5948 (2001). [CrossRef]
  9. J. B. Bentley, J. A. Davis, M. A. Bandres, and J. C. Gutiérrez-Vega, "Generation of helical Ince-Gaussian beams with a liquid-crystal display," Opt. Lett. 31, 649-651 (2006). [CrossRef] [PubMed]
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  11. I. Moreno, J. L. Martínez, and J. A. Davis, "Two-dimensional polarization rotator using a twisted-nematic liquid crystal display," Appl. Opt. (to be published). [PubMed]
  12. K. Crabtree, J. A. Davis, and I. Moreno, "Optical processing with vortex producing lenses," Appl. Opt. 43, 1360-1367 (2004). [CrossRef] [PubMed]

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