Category Ranking
98%
Total Visits
921
Avg Visit Duration
2 minutes
Citations
20
Article Abstract
The resonant fiber-optic sensor (RFOS) is well known for its high sensing resolution but usually suffers from high cost and system complexity. In this Letter, we propose an ultra-simple white-light-driven RFOS with a resonant Sagnac interferometer. By superimposing the output of multiple equivalent Sagnac interferometers, the strain signal is amplified during the resonance. A 3 × 3 coupler is employed for demodulation, by which the signal under test can be read out directly without any modulation. With 1 km delay fiber and ultra-simple configuration, a strain resolution of 28 /Hz at 5 kHz is demonstrated in the experiment, which is among the highest, to the best of our knowledge, resolution optical fiber strain sensors.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1364/OL.489379 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Graphene Oxide-Functionalized Optical Sensor for Label-Free Detection of Breast Cancer Cells.
ACS Appl Nano Mater
August 2025
Department of Physics, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, United Kingdom.
Accurate and noninvasive detection of cancer cells is critical for advancing early stage cancer diagnostics and monitoring tumor progression. While manual enumeration methods, such as hemocytometry, remain in use, they suffer from limited sensitivity and scalability. In this article, we report the first feasibility study demonstrating a graphene oxide (GO)-functionalized long-period fiber grating (LPG) sensor for the label-free detection of MCF-7 human breast cancer cell density via secreted cellular byproducts.
View Article and Find Full Text PDFHigh-sensitivity coreless fiber surface plasmon resonance refractive index sensor based on Au/TiO2.
Nanotechnology
September 2025
Northeastern University, northeastern university college of sciences, Shenyang, 110819, CHINA.
Fiber optic surface plasmon resonance sensor (SPR) play an important role in various fields where highly sensitive sensors are suitable. In this paper, we propose an SPR refractive index sensor composed of multi-mode fiber-coreless fiber-multimode fiber (MCM) structure modified by Au/TiO2 nanofiber material. The experimental results show that the sensitivity of the TiO2 nanofiber/Au structure sensor is 3687.
View Article and Find Full Text PDFReduction of RF Heating Near Bilateral Deep Brain Stimulation Leads Using Two-Channel RF Shimming at 3T.
NMR Biomed
October 2025
Department of Medical Imaging, Radboud University Medical Center, Nijmegen, the Netherlands.
The use of 3T MRI in patients with bilateral deep brain stimulation (DBS) leads is limited by safety concerns due to radiofrequency (RF) heating. A promising strategy to overcome this problem involves RF shimming using low-specific absorption rate (SAR) calibration scans to estimate the RF-induced currents based on image artifacts near the leads. Although clinically available two-channel RF shimming can suppress RF heating in a single lead configuration, complete nulling is not possible when more than one lead is involved.
View Article and Find Full Text PDFMultimodal dataset for wind turbine blade monitoring during lightning strikes.
Sci Data
September 2025
CRRC Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou, China.
Lightning strikes pose a significant threat to the structural integrity and operational performance of wind turbine blades. Due to the high probability of lightning strikes but the difficulty in capturing their dynamic data, obtaining comprehensive data on blades subjected to lightning strikes is challenging. This study presents a rare multimodal dataset for wind turbine blade monitoring during lightning strikes (MDWTBM-LS).
View Article and Find Full Text PDFA PDMS Coating-Based Balloon-Shaped Fiber Optic Respiratory Monitoring Sensor.
Sensors (Basel)
August 2025
School of Physics and Technology, University of Jinan, Jinan 250022, China.
A respiratory monitoring sensor based on a balloon-shaped optical fiber is proposed. The sensor consists of a single-mode fiber (SMF) coated with polydimethylsiloxane (PDMS) bent into a balloon shape to form a fiber optic Mach-Zehnder interferometer. The sensor's sensitivity to temperature enables monitoring of breathing status by recognizing the temperature changes that occur during human respiration.
View Article and Find Full Text PDF