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Paper Abstract and Keywords
Presentation 2018-02-16 15:40
Low reflectance lens with nanostructure
Sho Yakabe, Takuro Watanabe, Takayuki Shimazu (SEI), Ryohei Hokari, Kazuma Kurihara (AIST) OFT2017-81 OPE2017-189 Link to ES Tech. Rep. Archives: OPE2017-189
Abstract (in Japanese) (See Japanese page) 
(in English) Plastic lenses are utilized for optical communication devices such as AOC (Active Optical Cable), optical transceivers and optical connectors in order to improve optical coupling efficiency. On the other hand, in order to reduce the loss of the optical communication device, it is indispensable to reduce the Fresnel loss due to the refractive index of the resin, and as one solution, an Anti-Reflection (AR) coating is utilized.
Although it is possible to greatly lower the reflectance at the end face of the lens by this AR coat, the cost of the device is increased. From such a problem, in this work, we reduced the reflectance in the near infrared wavelength band without AR coating by transferring the nanoscale concavo-convex structure to the lens surface by injection molding.
Keyword (in Japanese) (See Japanese page) 
(in English) Nanostructure / Low reflectance lens / Injection Molding / Thermoplastic Resin / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 434, OFT2017-81, pp. 67-70, Feb. 2018.
Paper # OFT2017-81 
Date of Issue 2018-02-08 (OFT, OPE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF OFT2017-81 OPE2017-189 Link to ES Tech. Rep. Archives: OPE2017-189

Conference Information
Committee OPE OCS OFT  
Conference Date 2018-02-15 - 2018-02-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Prefectural Museum 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OFT 
Conference Code 2018-02-OPE-OCS-OFT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Low reflectance lens with nanostructure 
Sub Title (in English)
Keyword(1) Nanostructure  
Keyword(2) Low reflectance lens  
Keyword(3) Injection Molding  
Keyword(4) Thermoplastic Resin  
1st Author's Name Sho Yakabe  
2nd Author's Name Takuro Watanabe  
3rd Author's Name Takayuki Shimazu  
4th Author's Name Ryohei Hokari  
4th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
5th Author's Name Kazuma Kurihara  
5th Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Speaker Author-1 
Date Time 2018-02-16 15:40:00 
Presentation Time 25 minutes 
Registration for OFT 
Paper # OFT2017-81, OPE2017-189 
Volume (vol) vol.117 
Number (no) no.434(OFT), no.435(OPE) 
Page pp.67-70(OFT), pp.105-108(OPE) 
Date of Issue 2018-02-08 (OFT, OPE) 

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