An in-line in-fibre ring cavity multi-parameter sensor with a tuneable refractive index response | Zendy

Paul Childs | Zendy; Ian Leung | Zendy; Allan C. L. Wong | Zendy; GangDing Peng | Zendy

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An in-line in-fibre ring cavity multi-parameter sensor with a tuneable refractive index response

Author(s) -

Paul Childs,

Ian Leung,

Allan C. L. Wong,

GangDing Peng

Publication year - 2007

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.753772

Subject(s) - optics , refractive index , grating , reflection (computer programming) , fabry–pérot interferometer , materials science , interference (communication) , diffraction grating , line (geometry) , ring (chemistry) , optoelectronics , physics , laser , telecommunications , computer science , channel (broadcasting) , chemistry , geometry , mathematics , organic chemistry , programming language

An in-fibre ring cavity is fabricated by writing two blazed gratings next to each other to form a Fabry Perot cavity. A visibility of fringes as good as 0.032 in the reflection spectrum and 0.76 for transmission is obtianed for interference between the foward propagating guided mode and the reverse propagating ghost mode of the blazed grating. The ability to measure the external refractive index and the variability of this response with cavity length is demonstrated

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