Optical bio-chemical sensors based on whispering gallery mode resonators

Y Zhang, T Zhou, B Han, A Zhang, Y Zhao - Nanoscale, 2018 - pubs.rsc.org
Whispering gallery mode (WGM) resonators have attracted extensive attention and their
unique characteristics have led to some remarkable achievements. In particular, when …

All-Optical Tunable Microlaser Based on an Ultrahigh-Q Erbium-Doped Hybrid Microbottle Cavity

S Zhu, L Shi, B Xiao, X Zhang, X Fan - ACS Photonics, 2018 - ACS Publications
An all-optical tunable microlaser based on the ultrahigh-quality (Q)-factor erbium-doped
hybrid microbottle cavity is proposed and experimentally demonstrated for the first time. All …

A brief review of Whispering Gallery Mode in sensing

H Yu, X Liu, W Sun, Y Xu, X Liu, Y Liu - Optics & Laser Technology, 2024 - Elsevier
Abstract The Whispering Gallery Mode (WGM) operates on principles akin to those of
acoustics. It involves an optical micro-cavity with an echo wall structure, where light waves …

Magnetic-field sensor based on whispering-gallery modes in a photonic crystal fiber infiltrated with magnetic fluid

A Mahmood, V Kavungal, SS Ahmed, G Farrell… - Optics letters, 2015 - opg.optica.org
In this work, a magnetic-field sensor was designed to take advantage of the tunability of the
resonance wavelengths of a cylindrical whispering-gallery-mode microresonator. The …

Guanidine derivative polymer coated microbubble resonator for high sensitivity detection of CO2 gas concentration

H Li, B Sun, Y Yuan, J Yang - Optics express, 2019 - opg.optica.org
A carbon dioxide (CO_2) gas sensor based on a polyhexamethylene biguanide (PHMB)-
coated whispering gallery mode (WGM) microbubble resonator is proposed and verified …

Magnetic sensor based on WGM hollow microbubble resonator filled with magnetic fluid

W Liu, W Li, R Wang, E Xing, N Jing, Y Zhou… - Optics …, 2021 - Elsevier
In this work, a magnetic sensing scheme based on whispering gallery mode (WGM) hollow
microbubble resonator (HMR) filled with magnetic fluid (MF) is proposed. The HMR is made …

Microfiber coupling structures for magnetic field sensing with enhanced sensitivity

S Pu, L Mao, T Yao, J Gu, M Lahoubi… - IEEE Sensors …, 2017 - ieeexplore.ieee.org
Two kinds of magnetic field sensors based on Sagnac loop and knot resonator
configurations with microfiber coupling structures are proposed and investigated …

Interferometric detection of microRNAs using a capillary optofluidic sensor

L Liang, L Jin, Y Ran, LP Sun, BO Guan - Sensors and Actuators B …, 2017 - Elsevier
We demonstrate biomolecular detection based on the interference of optical modes in a
microfiber-capillary optofluidic sensor. The optofluidic sensor is fabricated by aligning a …

Microfluidic fabrication of cholesteric liquid crystal core–shell structures toward magnetically transportable microlasers

LJ Chen, LL Gong, YL Lin, XY Jin, HY Li, SS Li… - Lab on a Chip, 2016 - pubs.rsc.org
We report a magnetically transportable microlaser with cholesteric liquid crystal (CLC) core–
shell structure, operating in band-edge mode. The dye doped CLC shells as a water-in-oil-in …

Optical fiber magnetic field sensor based on birefringence in liquid core optical waveguide

W Wang, H Zhang, B Li, Z Li, Y Miao - Optical Fiber Technology, 2019 - Elsevier
An optical fiber magnetic field sensor based on the birefringence of magnetic fluid is
proposed by filling the magnetic fluid into a hollow-core waveguide. The birefringence …