Hiroaki HANAFUSA


Design and Fabrication of Highly-Dense Optical Components for In-Service Fiber Testing and Monitoring in Subscriber Loops
Taisuke OGUCHI Norio TAKATO Hiroaki HANAFUSA Nobuo TOMITA Yoshitaka ENOMOTO Naoki NAKAO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/01/25
Vol. E80-C  No. 1  pp. 123-129
Type of Manuscript:  Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
Category: 
Keyword: 
optical fibertesting and monitoringoptical branch moduleplanar lightwave circuitinterference filter
 Summary | Full Text:PDF(583.1KB)

Origin of Loss Increase Induced by Hydrogen and Radiation for GeO2-Doped SiO2 Fibers
Hiroaki HANAFUSA Yoshinori HIBINO Hiroki ITOH Fumio YAMAMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1988/02/25
Vol. E71-E  No. 2  pp. 167-173
Type of Manuscript:  PAPER
Category: Electro-Optics
Keyword: 
 Summary | Full Text:PDF(494.9KB)

OH Loss Increase due to Jacketing Glass Material in Optical Fibers
Hiroki ITOH Hiroaki HANAFUSA Yoshinori HIBINO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/07/25
Vol. E69-E  No. 7  pp. 782-784
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(189.4KB)