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Spatial information transmission beyond a system's diffraction limit using optical spectral encoding of the spatial frequency

Alexandrov, S.A. and Sampson, David (2008) Spatial information transmission beyond a system's diffraction limit using optical spectral encoding of the spatial frequency Journal of Optics A: Pure and Applied Optics, 10 (2).

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Abstract

We propose optical spectral encoding of an object's spatial frequencies as a means of transmitting, through a low-numerical-aperture optical system, spatial information with an instantaneous spatial frequency bandwidth wider than the optical system's diffraction-limited bandwidth. We validate this new superresolution approach experimentally and demonstrate one of its possible practical implementations - wide-field spectrally encoded imaging that is sensitive to nanometre-scale local variations in the microstructure of centimetre-scale samples.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences
Faculty of Health and Medical Sciences
Authors :
NameEmailORCID
Alexandrov, S.A.
Sampson, Davidd.sampson@surrey.ac.uk
Date : 2008
DOI : 10.1088/1464-4258/10/2/025304
Uncontrolled Keywords : Optical transfer functions, Spectral encoding, Superresolution, Wide field imaging, Bandwidth, Data processing, Optical resolving power, Transfer functions, Spatial frequency, Spectral encoding, Optical systems
Depositing User : Maria Rodriguez-Marquez
Date Deposited : 11 Jun 2018 07:31
Last Modified : 19 Sep 2018 11:32
URI: http://epubs.surrey.ac.uk/id/eprint/846897

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