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Paper Abstract and Keywords
Presentation 2010-07-29 16:15
Transmission characteristics of an annular aperture surrounded by periodic grooves in a metal film
Junji Yamauchi, Tatsuya Iguchi, Hisamatsu Nakano (Hosei Univ.) MW2010-49 OPE2010-34 Link to ES Tech. Rep. Archives: MW2010-49 OPE2010-34
Abstract (in Japanese) (See Japanese page) 
(in English) An annular aperture surrounded by concentric periodic grooves in a metal film is investigated using the body-of-revolution finite-difference time-domain method. First, a subwavelength annular aperture is analyzed. The transmission is strongly enhanced when the surface plasmon polariton is excited along the grooves. By choosing the optimum inner radius of the annular aperture, the transmission is increased compared to the conventional circular aperture. Addition of a Bragg reflector at the outermost circumference can further enhance the transmission by a factor of 1.4. Next, a relatively large annular aperture is analyzed, which can contribute to generation of a nondiffraction beam. The transmission which is 17 times greater than that observed without the grooves can be obtained by making the grooves both inside and outside the annular slit. Additionally, the Bragg reflector is introduced on the output surface.
Keyword (in Japanese) (See Japanese page) 
(in English) annular aperture / body-of-revolution finite-difference time-domain method / Bragg reflector / bull's eye structure / nondiffraction beam / surface plasmon polariton / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 156, OPE2010-34, pp. 63-68, July 2010.
Paper # OPE2010-34 
Date of Issue 2010-07-22 (MW, OPE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Download PDF MW2010-49 OPE2010-34 Link to ES Tech. Rep. Archives: MW2010-49 OPE2010-34

Conference Information
Committee EMT OPE MW IEE-EMT  
Conference Date 2010-07-29 - 2010-07-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OPE 
Conference Code 2010-07-EMT-OPE-MW-EMT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Transmission characteristics of an annular aperture surrounded by periodic grooves in a metal film 
Sub Title (in English)  
Keyword(1) annular aperture  
Keyword(2) body-of-revolution finite-difference time-domain method  
Keyword(3) Bragg reflector  
Keyword(4) bull's eye structure  
Keyword(5) nondiffraction beam  
Keyword(6) surface plasmon polariton  
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Keyword(8)  
1st Author's Name Junji Yamauchi  
1st Author's Affiliation Hosei University (Hosei Univ.)
2nd Author's Name Tatsuya Iguchi  
2nd Author's Affiliation Hosei University (Hosei Univ.)
3rd Author's Name Hisamatsu Nakano  
3rd Author's Affiliation Hosei University (Hosei Univ.)
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Speaker Author-2 
Date Time 2010-07-29 16:15:00 
Presentation Time 25 minutes 
Registration for OPE 
Paper # MW2010-49, OPE2010-34 
Volume (vol) vol.110 
Number (no) no.155(MW), no.156(OPE) 
Page pp.63-68 
#Pages
Date of Issue 2010-07-22 (MW, OPE) 


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