Structural Inhomogeneity in Ge-doped silica core of optical fibers made by the vapor-phase axial deposition method

Author(s):  
KAYA NAGASAWA ◽  
YOSHIMICHI OHKI
2006 ◽  
Vol 53 (4) ◽  
pp. 1756-1763 ◽  
Author(s):  
S. Girard ◽  
B. Brichard ◽  
J. Baggio ◽  
F. Berghmans ◽  
M. Decre

1986 ◽  
Vol 25 (Part 1, No. 3) ◽  
pp. 464-468 ◽  
Author(s):  
Kaya Nagasawa ◽  
Yutaka Hoshi ◽  
Yoshimichi Ohki ◽  
Kichinosuke Yahagi

1998 ◽  
Vol 531 ◽  
Author(s):  
V. I. Karpov ◽  
M. V. Grekov ◽  
E. M. Dianov ◽  
K. M. Golant ◽  
R. R. Khrapko

AbstractLong-period gratings were written in nitrogen-doped-silica-core optical fibers by point heating. The periodic variations of the effective refractive index were induced via diffusion of nitrogen from the fiber core. It is shown experimentally that such gratings remain functional at temperatures of up to 1200 °C.


2002 ◽  
Author(s):  
Kentaro Toh ◽  
Tatsuo Shikama ◽  
Tsunemi Kakuta ◽  
Shinji Nagata ◽  
Bun Tsuchiya ◽  
...  

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