A Grating Interferometric Acoustic Sensor Based on a Flexible Polymer Diaphragm

L Xiong, Z Qi - Sensors, 2023 - mdpi.com
This study presents a grating interferometric acoustic sensor based on a flexible polymer
diaphragm. A flexible-diaphragm acoustic sensor based on grating interferometry (GI) is …

Polarization self-compensation in a laser-driven interferometric fiber optic gyroscope with high long-term stability

J Zhao, X Liang, W Huang, Y Wu, H Cheng… - Optics …, 2024 - opg.optica.org
We present a laser-driven interferometric fiber optic gyroscope (IFOG) with polarization self-
compensation to achieve high scale-factor stability, sensitivity, and long-term stability …

A depolarized Sagnac-based interferometer with a stable quadrature phase bias for laser ultrasound detection

Z Huang, W Zhao, Z Cai, M Zhang, F Wang… - Optics …, 2022 - Elsevier
This study proposes an all-fiber-optic design with an optimal fringe in non-polarization-
maintaining (non-PM) depolarized Sagnac-based interferometers (SIs) for laser ultrasound …

Dual-wavelength Mach-Zehnder interferometry-assisted photothermal spectroscopy for characterization of surface contaminants

J Dong, P Yan, L Yang, Y Zhang, T Zhang, L Zhang… - Optics …, 2020 - opg.optica.org
Photothermal spectroscopy (PTS) working in the mid-infrared region is an effective
technique for in-situ characterization of the chemical composition of surface contaminants …

Sensitivity enhancement in photothermal interferometry by balanced detection of the complex response to moving excitation

J Dong, X Xie, L Yang, X Lang, R Lu, T Zhang… - Optics Letters, 2021 - opg.optica.org
The sensitivity of photothermal detection relies on both the magnitude of the response of a
sample to excitation and the way the response is sensed. We propose a highly sensitive …