Testing optical surfaces by high-precision diffractive null lenses with integrated reference surface
Autor: | Vadim V. Cherkashin, Jean-Michel Asfour, Alexander G. Poleshchuk |
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Rok vydání: | 2003 |
Předmět: | |
Zdroj: | SPIE Proceedings. |
ISSN: | 0277-786X |
DOI: | 10.1117/12.500295 |
Popis: | Fizeau interferometers with an additional diffractive optical element are frequently used for measuring spherical and aspherical surfaces. We present a new design, were the Fizeau principle is now perfectly fulfilled, by generating reference and measuring wavefront on the last optical surface, carrying a diffractive optical element. Several advantages of this design are discussed and proved experimentally. |
Databáze: | OpenAIRE |
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