OPTICAL LINE TESTING AND MONITORING SYSTEM

• Main Authors: ARAKI NORIYUKI, IZUMIDA CHIKASHI, HONDA NAGETSU
• Format: Patent
• Language: English
• Published: 27.08.2003
• Edition: 7
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; TRANSMISSION

PROBLEM TO BE SOLVED: To provide an optical line testing and monitoring system capable of being applied to a communication system using a wavelength of a wide band by realizing the optical coupler module of small reflection, having the precipitous filter blocking characteristic. SOLUTION: In this op...