| Diffractive simultaneous bidirectional shearing interferometry using tailored spatially coherent light. | |
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MedLine Citation:
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PMID: 21283249 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Measurements of wavefront deformations can be carried out with the help of lateral shearing interferometers. Here the focus is on a setup providing two shears along orthogonal directions simultaneously to generate the data needed for a reconstruction. We describe a diffractive solution using Ronchi phase gratings with a suppressed zeroth order for both the doubling of the wavefront under test and the bidirectional shearing unit. A series arrangement of the gratings offers an on-axis geometry, which minimizes the systematic errors of the test. For illumination, an extended incoherent monochromatic light source is used. High-contrast fringes can be obtained by tailoring the degree of coherence via a periodic intensity distribution. |
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Authors:
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Vanusch Nercissian; Irina Harder; Klaus Mantel; Andreas Berger; Gerd Leuchs; Norbert Lindlein; Johannes Schwider |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Applied optics Volume: 50 ISSN: 1539-4522 ISO Abbreviation: Appl Opt Publication Date: 2011 Feb |
Date Detail:
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Created Date: 2011-02-01 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0247660 Medline TA: Appl Opt Country: United States |
Other Details:
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Languages: eng Pagination: 571-8 Citation Subset: IM |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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