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Harmonically decoupled gradient light interference microscopy (HD-GLIM)
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DOI：10.1364/OL.379732.png)
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Abstract
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Differential phase sensitive methods, such as Nomars ki microscopy, play an important role in quantitative phase imaging due to their compatibility with partially coherent illumination and excellent optical sectioning ability. In this Letter, we propose a new system, to the best of our knowledge, to retrieve differential phase information from transparent samples. It is based on a 4f optical system with an amplitude-type spatial light modulator (SLM), which removes the need for traditional differential interference contrast (DIC) optics and specialized phase-only SLMs. We demonstrate the principle of harmonically decoupled gradient light interference microscopy using standard samples, as well as static and dynamic biospecimens. (C) 2020 Optical Society of America
Keywords:
QUANTITATIVE PHASE MICROSCOPY
FIELD
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