Sub-Rayleigh resolution by phase imaging

We report the experimental observation of systematically occurring phase singularities in coherent imaging of sub-Rayleigh distanced objects. A theory that relates the observation to the sub-Rayleigh distance is presented and compared with experimental measurements. As a consequence, the limit of resolution with coherent illumination is extended by a factor of 1.64×.


Published in:
Optics Letters, 35, 13, 2176-2178
Year:
2010
Publisher:
Optical Society of America
ISSN:
0146-9592
Keywords:
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 Record created 2010-06-09, last modified 2018-03-17

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