Moiré deflectometry with pure sinusoidal gratings
Autor: | Ilana Glatt, Aminadav Livnat, Eliezer Keren |
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Rok vydání: | 2009 |
Předmět: | |
Zdroj: | Optics letters. 10(4) |
ISSN: | 0146-9592 |
Popis: | The effect of using a sinusoidal grating instead of a Ronchi ruling as the object grating in moire deflectometry is discussed and demonstrated. The method reduces the diffraction blur, which hinders the use of the conventional moire deflectometer for objects of locally varying focal lengths. The technique combines most of the advantages of moire deflectometry and shearing interferometry. |
Databáze: | OpenAIRE |
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