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
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;
Conference_Titel :
Security Technology, 1999. Proceedings. IEEE 33rd Annual 1999 International Carnahan Conference on
Conference_Location :
Madrid
Print_ISBN :
0-7803-5247-5
DOI :
10.1109/CCST.1999.797949
