Document Detail

Computation of diffracted fields for the case of high numerical aperture using the angular spectrum method.
MedLine Citation:
PMID:  23052088     Owner:  NLM     Status:  In-Data-Review    
The angular spectrum (AS) method is a popular solution to the Helmholtz Equation without the use of approximations. In this work, new criteria on sampling requirements are derived using the Wigner distribution (WD). It is shown that for the case of high numerical aperture the conventional AS method requires a very large amount of zero-padding, making it impractical due to requirements on memory and computational effort. This work proposes the use of a modified AS algorithm that evaluates only non-zero components of the field. The results obtained from the WD combined with the modified AS algorithm enable an accurate and efficient field computation for cases where the conventional AS method cannot be implemented.
Tomasz Kozacki; Konstantinos Falaggis; Malgorzata Kujawinska
Related Documents :
22979378 - Advancements in instrumentation for source identification.
24715648 - Controllable synthesis of doped graphene and its applications.
24593568 - Physics design of the injector source for iter neutral beam injector (invited).
23820748 - Connection between bell nonlocality and bayesian game theory.
21937338 - Fast ultrasound beam prediction for linear and regular two-dimensional arrays.
11778778 - Efficacy of the full and abbreviated forms of the portland digit recognition test: vuln...
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  51     ISSN:  1539-4522     ISO Abbreviation:  Appl Opt     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  7080-8     Citation Subset:  IM    
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Flight demonstration of a milliarcsecond pointing system for direct exoplanet imaging.
Next Document:  Impact of LOCOS techniques on photonic wire waveguides.