Temperature-Insensitive Strain Measurement with PM-PCF based Sagnac Interferometer

Conference: ECOC 2007 - 33rd European Conference and Exhibition of Optical Communication
09/16/2007 - 09/20/2007 at Berlin, Germany

Proceedings: ECOC 2007

Pages: 2Language: englishTyp: PDF

Personal VDE Members are entitled to a 10% discount on this title

Dong, Xinyong; Tam, H. Y. (Photonics Research Centre, Dept. of EE, The Hong Kong Polytechnic University, Hong Kong)
Shum, P. (Network Technology Research Centre, Nanyang Technological University, Singapore)

Temperature-insensitive strain measurement is realized by using a polarization-maintaining photonic crystal fibre (PM-PCF) Sagnac interferometer. The achieved sensitivity is 0.23 pm/muepsilon. The measurement range, by stretching the PM-PCF only, is up to 32 mepsilon.