Phase retrieval using spatially modulated illumination

In this Letter, we propose a method for retrieving the phase of a wavefront from the diffraction patterns recorded when the object is sequentially illuminated by spatially modulated light. For wavefronts having a smooth phase, the retrieval is achieved by using a deterministic method. When the phase...

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Main Authors:	Gao, Peng, Pedrini, Giancarlo, Zuo, Chao, Osten, Wolfgang
Other Authors:	School of Mechanical and Aerospace Engineering
Format:	Article
Language:	English
Published:	2014
Subjects:	DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics
Online Access:	https://hdl.handle.net/10356/104869 http://hdl.handle.net/10220/20313
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Institution:	Nanyang Technological University
Language:	English

id	sg-ntu-dr.10356-104869
record_format	dspace
spelling	sg-ntu-dr.10356-1048692023-03-04T17:20:19Z Phase retrieval using spatially modulated illumination Gao, Peng Pedrini, Giancarlo Zuo, Chao Osten, Wolfgang School of Mechanical and Aerospace Engineering DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics In this Letter, we propose a method for retrieving the phase of a wavefront from the diffraction patterns recorded when the object is sequentially illuminated by spatially modulated light. For wavefronts having a smooth phase, the retrieval is achieved by using a deterministic method. When the phase has discontinuities, an iterative process is used for the retrieval and enhancement of the spatial resolution. Both the deterministic and iterative phase reconstructions are demonstrated by experiments. Published version 2014-08-18T01:39:24Z 2019-12-06T21:41:35Z 2014-08-18T01:39:24Z 2019-12-06T21:41:35Z 2014 2014 Journal Article Gao, P., Pedrini, G., Zuo, C., & Osten, W. (2014). Phase retrieval using spatially modulated illumination. Optics Letters, 39(12), 3615-3618. 0146-9592 https://hdl.handle.net/10356/104869 http://hdl.handle.net/10220/20313 10.1364/OL.39.003615 en Optics letters © 2014 Optical Society of America. This paper was published in Optics Letters and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: http://dx.doi.org/10.1364/OL.39.003615. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. application/pdf
institution	Nanyang Technological University
building	NTU Library
continent	Asia
country	Singapore Singapore
content_provider	NTU Library
collection	DR-NTU
language	English
topic	DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics
spellingShingle	DRNTU::Engineering::Mechanical engineering::Mechanics and dynamics Gao, Peng Pedrini, Giancarlo Zuo, Chao Osten, Wolfgang Phase retrieval using spatially modulated illumination
description	In this Letter, we propose a method for retrieving the phase of a wavefront from the diffraction patterns recorded when the object is sequentially illuminated by spatially modulated light. For wavefronts having a smooth phase, the retrieval is achieved by using a deterministic method. When the phase has discontinuities, an iterative process is used for the retrieval and enhancement of the spatial resolution. Both the deterministic and iterative phase reconstructions are demonstrated by experiments.
author2	School of Mechanical and Aerospace Engineering
author_facet	School of Mechanical and Aerospace Engineering Gao, Peng Pedrini, Giancarlo Zuo, Chao Osten, Wolfgang
format	Article
author	Gao, Peng Pedrini, Giancarlo Zuo, Chao Osten, Wolfgang
author_sort	Gao, Peng
title	Phase retrieval using spatially modulated illumination
title_short	Phase retrieval using spatially modulated illumination
title_full	Phase retrieval using spatially modulated illumination
title_fullStr	Phase retrieval using spatially modulated illumination
title_full_unstemmed	Phase retrieval using spatially modulated illumination
title_sort	phase retrieval using spatially modulated illumination
publishDate	2014
url	https://hdl.handle.net/10356/104869 http://hdl.handle.net/10220/20313
_version_	1759853732579770368

Phase retrieval using spatially modulated illumination

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