Type

Journal Article

Authors

Gerald Farrell
Pengfei Wang
Yuliya Semenova
Qiang wu

Subjects

Physics

Topics
refractive index optical sensing fiber refractometer maximum sensitivity refractometer modal analysis singlemode multimode singlemode fiber theoretical model

A Comprehensive Analysis Verified by Experiment of a Refractometer Based on an SMF28–Small-Core Singlemode Fiber (SCSMF)–SMF28 Fiber Structure (2011)

Abstract A comprehensive theoretical model for an SMF28–small-core SMF (SCSMF)–SMF28 structure based refractometer is developed based on the modal propagation analysis (MPA) method. The simulation result shows that the wavelength shift of this refractometer changes exponentially as the surrounding refractive index (SRI) varies. The core diameter of SCSMF does not have a significant influence on the sensitivity of the refractometer but cladding diameter does have. The simulation results are verified experimentally and it is also experimentally demonstrated that there is a maximum sensitivity of 1808 nm/RIU (refractive index unit) for an SRI range from 1.324 to 1.431 and that, as expected, the wavelength shift response is an exponential function of SRI.
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Full list of authors on original publication

Gerald Farrell, Pengfei Wang, Yuliya Semenova, Qiang wu

Experts in our system

1
Gerald Farrell
TU Dublin
Total Publications: 212
 
2
Pengfei Wang
University of Limerick
Total Publications: 114
 
3
Yuliya Semenova
TU Dublin
Total Publications: 136
 
4
Qiang wu
TU Dublin
Total Publications: 90