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Paper Abstract and Keywords
Presentation 2023-03-03 15:15
Analysis of pattern changes in an output light spot from an optical fiber with an RIPOC method
Ryusei Sato, Makoto Hasegawa (Chitose Instit. of Science and Technology) EMD2022-27
Abstract (in Japanese) (See Japanese page) 
(in English) When laser light beams are allowed to propagate from one end of an optical fiber to the other end and further to be output onto a screen, irregular pattern called as speckle pattern can be observed in an output light spot. The authors previously reported the rotating phenomenon of speckle pattern when the optical fiber was placed onto a support plate in a loop-shape and the support plate was tilted. In this paper, an analysis procedure of a rotation angle of the speckle pattern in such rotation phenomenon has been studied through comparison between the results obtained from measurements utilizing an RIPOC method and the results obtained from manual measurements with an image processing software. As a result, the RIPOC method was confirmed to provide the rotation angle values close to the values obtained from the manual measurements. The obtained rotation angle values were confirmed be almost a half of the tilt angle of the support plate.
Keyword (in Japanese) (See Japanese page) 
(in English) Optic fiber / Speckle pattern / Laser light beams / Sensing / POC / RIPOC / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 416, EMD2022-27, pp. 35-40, March 2023.
Paper # EMD2022-27 
Date of Issue 2023-02-24 (EMD) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 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)
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Conference Information
Committee EMD  
Conference Date 2023-03-03 - 2023-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) NIT and Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Short NOTE, etc. 
Paper Information
Registration To EMD 
Conference Code 2023-03-EMD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Analysis of pattern changes in an output light spot from an optical fiber with an RIPOC method 
Sub Title (in English)  
Keyword(1) Optic fiber  
Keyword(2) Speckle pattern  
Keyword(3) Laser light beams  
Keyword(4) Sensing  
Keyword(5) POC  
Keyword(6) RIPOC  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryusei Sato  
1st Author's Affiliation Chitose Institute of Science and Technology (Chitose Instit. of Science and Technology)
2nd Author's Name Makoto Hasegawa  
2nd Author's Affiliation Chitose Institute of Science and Technology (Chitose Instit. of Science and Technology)
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Speaker Author-1 
Date Time 2023-03-03 15:15:00 
Presentation Time 15 minutes 
Registration for EMD 
Paper # EMD2022-27 
Volume (vol) vol.122 
Number (no) no.416 
Page pp.35-40 
#Pages 6 
Date of Issue 2023-02-24 (EMD) 

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