Recording and controlling the 4D light field in a microscope using microlens arrays

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Published
2009-07-24
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  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1111/j.1365-2818.2009.03195.x
Publisher
Wiley

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<jats:title>Summary</jats:title><jats:p>By inserting a microlens array at the intermediate image plane of an optical microscope, one can record four‐dimensional light fields of biological specimens in a single snapshot. Unlike a conventional photograph, light fields permit manipulation of viewpoint and focus after the snapshot has been taken, subject to the resolution of the camera and the diffraction limit of the optical system. By inserting a second microlens array and video projector into the microscope's illumination path, one can control the incident light field falling on the specimen in a similar way. In this paper, we describe a prototype system we have built that implements these ideas, and we demonstrate two applications for it: simulating exotic microscope illumination modalities and correcting for optical aberrations digitally.</jats:p>

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