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Fully Distributed Optical Fiber Strain Sensor With 1012 ϵ/√Hz Sensitivity
2019 Edition, Volume 37, September 15, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Advanced optical fiber reflectometry techniques enable spatially distributed measurements of true relative deformations over the length of a conventional optical fiber cable. This methodology is attractive for many applications ranging from intrusion monitoring to...

Fully distributed optical fiber strain sensor with $\rm 10^{-12}\varepsilon/\surd Hz$ sensitivity
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

Advanced optical fiber reflectometry techniques enable spatially distributed measurements of true relative deformations over the length of a conventional optical fiber cable. This methodology is attractive for many applications ranging from intrusion monitoring to...

Distributed Optical Fiber Sensors for PCB-Strain Analysis
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

PCB-strain tests are part of the quality control procedures to detect pre-damages on the manufactured products. Such tests are commonly performed by instrumenting a Printed Circuit Board (PCB) and subjecting it to the manufacturing conditions. Among the various parameters to evaluate on the...

Subsea Cable Condition Monitoring With Distributed Optical Fiber Vibration Sensor
2019 Edition, Volume 37, February 15, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel subsea cable condition monitoring technique based on embedded optical fiber inside the cable is demonstrated. It is shown that a distributed optical fiber vibration sensor can be used to map dynamic strains all along the cable simultaneously....

Distributed Optical Fiber Sensor Allowing Temperature and Strain Discrimination in Radiation Environments
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We evaluate the potential of a new architecture of distributed optical fiber sensor (DOFS) to discriminate between the temperature and strain changes along a single optical fiber exposed to radiation. This DOFS exploits the measurements of both the...

Interferometric fiber strain sensor
2012 Edition, October 1, 2012 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

This paper proposed a strain sensing system using two-stage optical low coherence Mach-Zehnder interferometry. A 1.3-μm wavelength distributed feedback laser for an optical ruler assisted stepper motor was implemented to achieve 19.3-nm resolved characterization. The...

Subsea Cable Condition Monitoring with Distributed Optical Fibre Vibration Sensor
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A novel subsea cable condition monitoring technique based on embedded optical fibre inside the cable is demonstrated. It is shown that a distributed optical fibre vibration sensor can be used to map dynamic strains all along the cable simultaneously. It is...

A high performance distributed optical fiber sensor based on Φ-OTDR for dynamic strain measurement
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A high performance distributed optical fiber sensor (DOFS) based on phase-sensitive optical time-domain reflectometry (Φ-OTDR) for dynamic strain measurement has been proposed. In this newly designed system, ultra-weak fiber Bragg gratings (UWFBGs)...

0.5 mm resolution distributed fiber strain sensor with a location-deviation compensation algorithm based on OFDR
2019 Edition, August 1, 2019 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

We propose and demonstrate a 0.5mm spatial resolution distributed fibre strain sensor with a location-deviation compensation algorithm based on Optical Frequency Domain Reflectometry. This algorithm compensates for spatial location-deviation of the sensor...

Pico-strain resolution multiplexed fiber grating sensor array interrogated with mode-locked laser
Volume PP - IEEE - Institute of Electrical and Electronics Engineers, Inc.

A multiplexed fiber grating sensor system basing on injection-locking and high-order Pound-Drever-Hall techniques is presented. In the sensor system, two distributed feedback fiber lasers and a mode-locked laser are employed as the sensor array and probe...

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