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Resolution of Closely-Positioned Optical Vortices by Phase-Shifting Interferometry SCIE SCOPUS KCI

Title
Resolution of Closely-Positioned Optical Vortices by Phase-Shifting Interferometry
Authors
Kang, JWHong, CK
Date Issued
2008-12
Publisher
KOREAN PHYSICAL SOC
Abstract
Optical vortices have been usually identified by using the characteristic fork-like structure in the interference pattern formed between a reference beam and the optical vortex field. It might, however, lead to misinterpretation of the property of vortices when the reference beam's phase difference between vortices is less than pi. We confirmed this experimentally and propose that closely positioned optical vortices can be resolved better by analyzing the phase map obtained through phase-shifting interferometry.
Keywords
Computer-generated hologram; Phase-shifting interferometry; Phase retrieval; DISLOCATIONS
URI
https://oasis.postech.ac.kr/handle/2014.oak/28059
DOI
10.3938/jkps.53.3827
ISSN
0374-4884
Article Type
Article
Citation
JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 53, no. 6, page. 3827 - 3831, 2008-12
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