Project supported by the National Natural Science Foundation of China(Grant No60607001);the Natural Science Foundation of Beijing,China(Grant No4052023);the Talents of Beijing Jiaotong University,Beijing,China(Grant No2007RC015)
In this paper, bendloss characteristics of an optical fibre are investigated in detail, and the results show that the resonator with a smaller ring radius, wider free spectrum range (FSR), higher fineness (f) and ...