DocumentCode
3229901
Title
Security communication in headrace tunnel using beam transmission of laser lights
Author
Chiba, J. ; Sato, Takahiro ; Sasaki, Norio ; Matsuda, Katsuhiro
Author_Institution
Tohoku Inst. of Technol., Sendai, Japan
fYear
1999
fDate
1999
Firstpage
423
Lastpage
427
Abstract
We describe an experimental study of security communication in a headrace tunnel using atmospheric beam transmission of laser light. The purpose of the study is to experimentally prove the potential of laser beam communication for security in headrace tunnels
Keywords
hydroelectric power stations; laser beam applications; light transmission; maintenance engineering; optical communication; safety systems; security; atmospheric beam transmission; headrace tunnel; laser beam communication; laser light; security communication; water power plants; Communication system security; Concrete; Inspection; Laser beams; Legged locomotion; Optical attenuators; Power generation; Power lasers; Transceivers; Wavelength measurement;
fLanguage
English
Publisher
ieee
Conference_Titel
Security Technology, 1999. Proceedings. IEEE 33rd Annual 1999 International Carnahan Conference on
Conference_Location
Madrid
Print_ISBN
0-7803-5247-5
Type
conf
DOI
10.1109/CCST.1999.797949
Filename
797949
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