Title :
Bending loss measurement of LP11 mode in quasi-single-mode operation region
Author :
Shibata, Naotaka ; Tsubokawa, Makoto ; Ohashi, Masaharu ; Seikai, S.
Author_Institution :
NTT Ibaraki Electrical Communication Laboratory, Tokai, Japan
Abstract :
The bending loss of the LP11 mode is successfully measured by utilising an optical heterodyne interferometer. The experimental results are in good agreement with theory. The group delay difference between the LP01 and LP11 modes can simultaneously be evaluated by means of the technique.
Keywords :
light interferometry; optical fibres; optical losses; LP01; LP11 mode; bending loss measurement; group delay difference; optical fibre; optical heterodyne interferometer; quasi-single mode operation region;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19850739
