Please use this identifier to cite or link to this item: https://doi.org/10.1364/JOSAA.26.001932
Title: Subspace-based optimization method for reconstructing extended scatterers: Transverse electric case
Authors: Pan, L.
Agarwal, K. 
Zhong, Y. 
Yeo, S.P. 
Chen, X. 
Issue Date: 1-Sep-2009
Citation: Pan, L., Agarwal, K., Zhong, Y., Yeo, S.P., Chen, X. (2009-09-01). Subspace-based optimization method for reconstructing extended scatterers: Transverse electric case. Journal of the Optical Society of America A: Optics and Image Science, and Vision 26 (9) : 1932-1937. ScholarBank@NUS Repository. https://doi.org/10.1364/JOSAA.26.001932
Abstract: The subspace-based optimization method is generalized to the transverse electric (TE) case for reconstructing the relative-permittivity profiles of extended scatterers. The essence of the subspace-based optimization method is that part of the contrast source is determined from the spectrum analysis without recourse to optimization, whereas the rest is determined by using an optimization procedure. We show that the dimension of the signal subspace behaves somewhat as a regularization parameter. Due to the vectorial property of the TE wave, the reconstructed profile in TE case is smoother than that in the transverse magnetic (TM) case. © 2009 Optical Society of America.
Source Title: Journal of the Optical Society of America A: Optics and Image Science, and Vision
URI: http://scholarbank.nus.edu.sg/handle/10635/57552
ISSN: 10847529
DOI: 10.1364/JOSAA.26.001932
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