High sensitivity SMS fiber structure based refractometer–analysis and experiment

Q Wu, Y Semenova, P Wang, G Farrell - Optics express, 2011 - opg.optica.org
We have investigated the influence of multimode fiber core (MMFC) diameters and lengths
on the sensitivity of an SMS fiber based refractometer. We show that the MMFC diameter has …

High-sensitivity, evanescent field refractometric sensor based on a tapered, multimode fiber interference

P Wang, G Brambilla, M Ding, Y Semenova, Q Wu… - Optics letters, 2011 - opg.optica.org
We propose and experimentally demonstrate an enhanced evanescent field fiber
refractometer based on a tapered multimode fiber sandwiched between two single-mode …

A review of multimode interference in tapered optical fibers and related applications

P Wang, H Zhao, X Wang, G Farrell, G Brambilla - Sensors, 2018 - mdpi.com
In recent years, tapered optical fibers (TOFs) have attracted increasing interest and
developed into a range of devices used in many practical applications ranging from optical …

High sensitivity balloon-like interferometric optical fiber humidity sensor based on tuning gold nanoparticles coating thickness

SK Al-Hayali, AM Salman, AH Al-Janabi - Measurement, 2021 - Elsevier
We report on the effect of gold nanoparticles (Au-NPs) coating thickness on the sensitivity of
a relative humidity (RH) sensor based on a balloon-shaped single-mode fiber (BSBS) …

Rayleigh backscattering based macrobending single mode fiber for distributed refractive index sensing

Y Du, S Jothibasu, Y Zhuang, C Zhu, J Huang - Sensors and Actuators B …, 2017 - Elsevier
A novel and compact distributed refractive index (RI) sensor based on Rayleigh
backscattering and macrobending single mode fiber (SMF) is proposed and experimentally …

Investigation of single-mode–multimode–single-mode and single-mode–tapered-multimode–single-mode fiber structures and their application for refractive index …

P Wang, G Brambilla, M Ding, Y Semenova, Q Wu… - JOSA B, 2011 - opg.optica.org
All-fiber in-line single-mode–multimode–single-mode (SMS) and single-mode–tapered-
multimode–single-mode (STMS) fiber structures are investigated. A wide-angle beam …

A label-free fiber optic biosensor for Salmonella Typhimurium detection

S Kaushik, A Pandey, UK Tiwari, RK Sinha - Optical Fiber Technology, 2018 - Elsevier
A label-free fiber optic biosensor based on single mode-tapered multimode-single mode
(SMS) structure for bacteria detection has been reported. The main aim of the present study …

Bent-fiber intermodal interference based dual-channel fiber optic refractometer

X Zhang, W Peng - Optics express, 2015 - opg.optica.org
We present a novel dual-channel fiber optic interferometer based on intermodal interference
from single-mode fiber (SMF) bending. This dual-channel interferometer has simple …

Refractive index and temperature measurement by cascading macrobending fiber and a sealed alternated SMF-MMF structure

Y Zhu, J Zheng, H Deng, L Yuan, S Deng, C Teng - Optics communications, 2021 - Elsevier
A simple and low-cost optical fiber sensor is proposed for simultaneous measurement of
refractive index (RI) and temperature. The sensor is constructed by cascading a sealed long …

Highly sensitive detection of biological substances using microfluidic enhanced Fabry-Perot etalon-based optical biosensors

KE You, N Uddin, TH Kim, QH Fan, HJ Yoon - Sensors and Actuators B …, 2018 - Elsevier
A microfluidic based optical biosensor is introduced to detect concentrations of biochemical
substances in solution using refractive index measurement with high sensitivity and …