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Moiré signals by the photoacoustic effect

✍ Scribed by Hane, K.; Watanabe, S.; Hattori, S.; Goto, T.

Book ID
115418096
Publisher
Optical Society of America
Year
1990
Tongue
English
Weight
346 KB
Volume
15
Category
Article
ISSN
0146-9592

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## Abstract In an amplitude grating system of small grid pitch, the diffractive effect is distinctive. Its energy will be about 10–40% of the total energy. The diffractive light is the root cause of deterioration of the contrast and sinusoidal property of the Moiré signal. The relations between the