Keyword : OTDR


Optical Fiber Line Testing System Employing 1.65 µm Test Light Bypass Module for In-Service Monitoring of ADM Ring Networks
Yoshitaka ENOMOTO Hisashi IZUMITA Nobuo TOMITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/08/01
Vol. E91-B  No. 8 ; pp. 2494-2500
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Broadband Access Technologies)
Category: 
Keyword: 
OTDRADMoptical testingoptical fibermaintenance
 Summary | Full Text:PDF(922.1KB)

Novel Fiber-Optic Distributed Strain and Temperature Sensor with Very High Resolution
Yahei KOYAMADA Yousuke EDA Souichi HIROSE Shinki NAKAMURA Kazuo HOGARI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/05/01
Vol. E89-B  No. 5 ; pp. 1722-1725
Type of Manuscript:  LETTER
Category: Sensing
Keyword: 
fiber-optic sensordistributed sensorstrain sensortemperature sensorOTDR
 Summary | Full Text:PDF(203.1KB)

Suppression of the Cross-Gain Modulation in Remotely-Pumped EDF/DRA Hybrid Inline Amplifier Systems with Online OTDR for Gain Monitoring
Hiroto KAWAKAMI Hiroji MASUDA Kenji SATO Yutaka MIYAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/05/01
Vol. E88-B  No. 5 ; pp. 1986-1993
Type of Manuscript:  Special Section PAPER (Joint Special Section on Recent Progress in Optoelectronics and Communications)
Category: Transmission Systems and Technologies
Keyword: 
OTDRremote pumpingdistributed Raman amplifiercross gain modulation
 Summary | Full Text:PDF(1.1MB)

Extended Optical Fiber Line Testing System with L/U-Band Optical Coupler Employing 4-Port Circulators and Chirped Fiber Bragg Grating Filters for L-Band WDM Transmission
Nazuki HONDA Noriyuki ARAKI Hisashi IZUMITA Minoru NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/05/01
Vol. E86-B  No. 5 ; pp. 1562-1566
Type of Manuscript:  Special Section PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: 
Keyword: 
optical fiber line testing systemL-bandOTDRoptical couplercirculator
 Summary | Full Text:PDF(813.2KB)

Reduction in Optical Fiber Maintenance Cost by Using Automatic Optical Fiber Operations Support System with Remote Fiber Selector
Noriyuki ARAKI Hisashi IZUMITA Minoru NAKAMURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/04/01
Vol. E85-C  No. 4 ; pp. 915-920
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fibers and Devices)
Category: 
Keyword: 
optical access networksmaintenanceoptical fiber testingoperating systemsOTDR
 Summary | Full Text:PDF(469.4KB)

Improvement of a Fiber-Optic Transceiver for OTDR by Using an External Optical Amplifier
Naoto KISHI Takahumi SANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/03/25
Vol. E83-C  No. 3 ; pp. 418-422
Type of Manuscript:  Special Section PAPER (Special Issue on Optical Fiber Sensors)
Category: Distributed Sensing
Keyword: 
OTDRoptical fiber amplifiersoptical fiber lasersQ-switched lasers
 Summary | Full Text:PDF(1.1MB)

Reflection of Light Caused by Sharp Bends in Optical Fiber
Kyozo TSUJIKAWA Koji ARAKAWA Koji YOSHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/11/25
Vol. E82-C  No. 11 ; pp. 2105-2107
Type of Manuscript:  LETTER
Category: Opto-Electronics
Keyword: 
reflectionsharp bends in optical fiberbending lossOTDROLCRfiber coating
 Summary | Full Text:PDF(270.9KB)