Measurement of the phase modulation in liquid crystal television based on the fractional-Talbot effect

Alfonso Serrano-Heredia; Guowen Lu; Purwadi Purwosumarto; Francis T. S. Yu

doi:10.1117/1.600834

1 September 1996 Measurement of the phase modulation in liquid crystal television based on the fractional-Talbot effect

Alfonso Serrano-Heredia, Guowen Lu, Purwadi Purwosumarto, Francis T. S. Yu

Optical Engineering, Vol. 35, Issue 9, (September 1996). https://doi.org/10.1117/1.600834

We present a novel technique for measuring phase modulation in a liquid crystal television (LCTV) panel using the fractional-Talbot effect. We show that the phase modulation property in an LCTV can be obtained by measuring the contrast ratio of the Fresnel diffraction field at one quarter of the Talbot distance. We also generate a multilevel phase grating that produces a Talbot array illuminator to verify the experimental measurement result.

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Alfonso Serrano-Heredia, Guowen Lu, Purwadi Purwosumarto, and Francis T. S. Yu "Measurement of the phase modulation in liquid crystal television based on the fractional-Talbot effect," Optical Engineering 35(9), (1 September 1996). https://doi.org/10.1117/1.600834

Published: 1 September 1996

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