Author:
Wang Mohan,Salter Patrick S.,Payne Frank P.,Shipley Adrian,Dyson Igor N.,Wang Tao,Zhang Kaihui,Zhang Jian,Jia Zhitai,Morris Stephen M.,Booth Martin J.,Fells Julian A. J.
Abstract
Sapphire fiber is intrinsically multimoded, resulting in poor precision sensors. We demonstrate a 4-cm single-mode sapphire fiber with a Bragg grating temperature sensor and a standard-fiber tail, operating up to 1200°C.