Sinusoidal liquid crystal display grating in the Ronchi test

Miguel Mora-Gonzalez; Noe Alcala Ochoa

doi:10.1117/1.1572890

1 June 2003 Sinusoidal liquid crystal display grating in the Ronchi test

Miguel Mora-Gonzalez, Noe Alcala Ochoa

Optical Engineering, Vol. 42, Issue 6, (June 2003). https://doi.org/10.1117/1.1572890

The Ronchi test with a LCD amplitude sinusoidal grating is used for testing convergent optical systems. The rulings are computer-generated and displayed on the LCD. By displaying various phase-shifted rulings and capturing the corresponding images, the phase is obtained with the conventional phase-shifting algorithms. For reference, experimental results are compared with those on a commercial Fizeau interferometer.

©(2003) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Miguel Mora-Gonzalez and Noe Alcala Ochoa "Sinusoidal liquid crystal display grating in the Ronchi test," Optical Engineering 42(6), (1 June 2003). https://doi.org/10.1117/1.1572890

Published: 1 June 2003

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