Sinusoidal liquid crystal display grating in the Ronchi test
Optical engineering
DOI:
10.1117/1.1572890
Publication Date:
2003-05-22T22:01:29Z
AUTHORS (1)
ABSTRACT
The Ronchi test with a LCD amplitude sinusoidal grating is used for testing convergent optical systems. rulings are computer- generated and displayed on the LCD. By displaying various phase- shifted capturing corresponding images, phase obtained conventional phase-shifting algorithms. For reference, experimental results compared those commercial Fizeau interferometer. © 2003 Society of Photo-Optical Instrumentation Engineers.
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