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Paper Abstract and Keywords
Presentation 2014-02-20 13:20
Fundamental experiment for underwater optical transmission of video signal using visible light
Erina Ohgida, Keisuke Miyamae, Kenta Kogure, Hiroki Kojima, Yasuhiro Wagho, Mikio Maeda (Kogakuin Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We propose an optical transmission system for realizing TV live broadcast from a midget submarine in the deep sea. At first, the system transmits video signal from the submarine to a repeater through water using blue LEDs, then transmits it to a ship on the sea through an optical fiber. Tracking technology for optical beam is important, because the submarine and the repeater moves about. We devised a new method for detecting misalignment of optical beam easily by covering the surface of the repeater with retro-reflective sheet. We made a fundamental indoor experiment for examining feasibility of proposed system. Received optical power obtained at the experiment agreed with theory. More, we succeeded in improving CN ratio by combining FM signals obtained at plural optical receivers.
Keyword (in Japanese) (See Japanese page) 
(in English) underwater optical transmission / visible light / retro-reflective sheet / / / / /  
Reference Info. ITE Tech. Rep., vol. 38, no. 8, BCT2014-33, pp. 1-4, Feb. 2014.
Paper # BCT2014-33 
Date of Issue 2014-02-13 (BCT) 
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Committee BCT IEEE-BT  
Conference Date 2014-02-20 - 2014-02-21 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To BCT 
Conference Code 2014-02-BCT-BT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fundamental experiment for underwater optical transmission of video signal using visible light 
Sub Title (in English)  
Keyword(1) underwater optical transmission  
Keyword(2) visible light  
Keyword(3) retro-reflective sheet  
1st Author's Name Erina Ohgida  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Keisuke Miyamae  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
3rd Author's Name Kenta Kogure  
3rd Author's Affiliation Kogakuin University (Kogakuin Univ.)
4th Author's Name Hiroki Kojima  
4th Author's Affiliation Kogakuin University (Kogakuin Univ.)
5th Author's Name Yasuhiro Wagho  
5th Author's Affiliation Kogakuin University (Kogakuin Univ.)
6th Author's Name Mikio Maeda  
6th Author's Affiliation Kogakuin University (Kogakuin Univ.)
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Date Time 2014-02-20 13:20:00 
Presentation Time 20 
Registration for BCT 
Paper # ITE-BCT2014-33 
Volume (vol) ITE-38 
Number (no) no.8 
Page pp.1-4 
#Pages ITE-4 
Date of Issue ITE-BCT-2014-02-13 

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