Temperature-insensitive long period grating sensors in photonic crystal fibre

• DOI: 10.1049/el:20040433
• Publication Date: 2004-05-25T15:51:44Z
• Authors: H. Dobb; K. Kalli; D.J. Webb
• Keywords: Electric arc

A long period grating has been fabricated in endlessly singlemode photonic crystal fibre using a spatially-periodic electric arc discharge. The sensing characteristics of the have studied and it was found to possess an insensitivity temperature, bend sensitivity 3.7 nm · m strain −2.0 pm/µɛ