Imaging device and method

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Authors

LEONHARDT Ulf TYC Tomáš GABRIELLI Lucas LIPSON Michal

Year of publication 2017
Type Patent
MU Faculty or unit

Faculty of Science

Publisher United States Patent and Trademark Office
State United States of America
Patent's number US 9,581,796
Web http://appft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PG01&p=1&u=/netahtml/PTO/srchnum.html&r=1&f=G&l=50&s1=20140097332.PGNR.
Description The resolution of conventional imaging devices is restricted by the diffraction limit `Perfect` imaging devices which can achieve a resolution beyond the diffraction limit have been considered impossible to implement. However, the present disclosure provides an imaging device which can achieve improved resolution beyond the diffraction limit and which can be implemented in practice. Said imaging device comprises: a. a lens having a refractive index that varies according to a predetermined refractive index profile; b. a source; c. an outlet for decoupling waves from the device; and d. a reflector provided around the lens, the source and the outlet, wherein the reflector and the refractive index profile of the lens are together arranged to direct waves transmitted in any of a plurality of directions from the source to the outlet.
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