Phase microscopy of technical and biological samples through random phase modulation with a difuser

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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A technique for phase microscopy using a phase diffuser and a reconstruction algorithm is proposed. A magnified specimen wavefront is projected on the diffuser plane that modulates the wavefront into a speckle field. The speckle patterns at axially displaced planes are sampled and used in an iterative phase retrieval algorithm based on a wave-propagation equation. The technique offers a whole-field and high-resolution wavefront reconstruction of unstained microstructures. Phase maps of photoresist targets and human cheek cells are obtained to demonstrate the effectiveness of our method. (C) 2010 Optical Society of America
Original languageEnglish
JournalOptics Letters
Publication date2010
Volume35
Issue7
Pages1028-1030
ISSN0146-9592
DOIs
StatePublished
CitationsWeb of Science® Times Cited: No match on DOI
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