DocumentCode :
1800798
Title :
On the nature of super-resolution in inverse scattering
Author :
Aydiner, A.A. ; Weng Cho Chew
Author_Institution :
Dept. of Electr. & Comput. Eng., Illinois Univ., Urbana, IL, USA
Volume :
1
fYear :
2003
fDate :
22-27 June 2003
Firstpage :
507
Abstract :
The paper studies the nature of super-resolution, the phenomenon of resolution beyond the diffraction limit, which has been experimentally and numerically verified for acoustic and electromagnetic waves. The prospect of subwavelength resolution at optically large observation distances is investigated. Two conjectures as to how super-resolution can be attained are evaluated and tested. The first conjecture underscores the unraveling of the phase accumulations during multiple scattering of propagating waves, whereas the second relies on the conversion of the evanescent spectrum to propagating waves that can be observed at the far-field.
Keywords :
diffraction; scattering; wave propagation; acoustic waves; diffraction limit; electromagnetic waves; evanescent spectrum; inverse scattering; multiple scattering; optically large observation distances; phase accumulations; subwavelength resolution; super-resolution; wave propagation; Acoustic diffraction; Acoustic testing; Acoustic waves; Electromagnetic diffraction; Electromagnetic scattering; Inverse problems; Optical diffraction; Optical propagation; Optical scattering; Optical surface waves;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Antennas and Propagation Society International Symposium, 2003. IEEE
Conference_Location :
Columbus, OH, USA
Print_ISBN :
0-7803-7846-6
Type :
conf
DOI :
10.1109/APS.2003.1217507
Filename :
1217507
Link To Document :
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