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Linearity of the pyramid wavefront sensor
National University of Ireland, Galway. (Applied Optics)ORCID iD: 0000-0003-3804-0561
National University of Ireland, Galway. (Applied Optics)
Swiss Federal Polytechnic School of Lausanne. (2Microvision and Microdiagnostics Group, Institute of Applied Optics)
National University of Ireland, Galway. (Applied Optics)
2006 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 14, no 25, 11925-11934 p.Article in journal (Refereed) Published
Abstract [en]

The pyramid wavefront sensor is very similar to the Fourier knife-edge test, but employs dynamic modulation to quantify the phase derivative. For circular modulation, we compare approximate geometrical optics calculations, more exact diffraction calculations, and experimental results. We show that both the sinusoidal and the approximate linear relationship between wavefront derivative and wavefront sensor response can be derived rigorously from diffraction theory. We also show that geometrical, diffraction and experimental results are very similar, and conclude that the approximate geometrical predictions can be used in place of the more complex diffraction results.

Place, publisher, year, edition, pages
Optical Society of America , 2006. Vol. 14, no 25, 11925-11934 p.
Keyword [en]
wave-front sensing, iffraction theory, paraxial wave optics, phase measurement
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:kth:diva-61632DOI: 10.1364/OE.14.011925ISI: 000242964300003OAI: oai:DiVA.org:kth-61632DiVA: diva2:479458
Note
QC 20120119Available from: 2012-01-17 Created: 2012-01-17 Last updated: 2017-12-08Bibliographically approved

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Burvall, Anna

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