[HTML][HTML] Distributed optical fiber sensing: Review and perspective

P Lu, N Lalam, M Badar, B Liu, BT Chorpening… - Applied Physics …, 2019 - pubs.aip.org
Over the past few decades, optical fibers have been widely deployed to implement various
applications in high-speed long-distance telecommunication, optical imaging, ultrafast …

Recent advances in machine learning for fiber optic sensor applications

A Venketeswaran, N Lalam… - Advanced Intelligent …, 2022 - Wiley Online Library
Over the last three decades, fiber optic sensors (FOS) have gained a lot of attention for their
wide range of monitoring applications across many industries, including aerospace …

Integrated auxiliary interferometer for self-correction of nonlinear tuning in optical frequency domain reflectometry

M Badar, P Lu, M Buric, P Ohodnicki Jr - Journal of Lightwave …, 2020 - opg.optica.org
A new hardware configuration to correct nonlinear tuning affects in optical frequency domain
reflectometry (OFDR) is proposed. Unlike conventional correction methods, the new …

Noise compensation methods for optical fiber frequency sweeping interferometry: A review

J Yang, C Zou, C Lin, Y Zhu, Y Zhu… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
Noise induced by the fluctuation of laser phase, frequency, intensity, etc., can deteriorate the
point spread function (PSF) in distributed optical fiber sensing and testing systems, which is …

Improving OFDR spatial resolution by reducing external clock sampling error

B Feng, K Liu, T Liu, J Jiang, Y Du - Optics Communications, 2016 - Elsevier
Utilizing an auxiliary interferometer to produce external clock signals as the data
acquirement clock is widely used to compensate the nonlinearity of the tunable laser source …

Method for improving spatial resolution and amplitude by optimized deskew filter in long-range OFDR

Y Du, T Liu, Z Ding, B Feng, X Li, K Liu… - IEEE Photonics …, 2014 - ieeexplore.ieee.org
We present a method for improving the spatial resolution and the amplitude by an optimized
deskew filter in long-range optical frequency-domain reflectometry (OFDR). In a previous …

Phase-noise-cancelled FMCW Lidar based on CS-DSB modulation and injection-locking technique

Z Xiao, Z Wu, G Xia - Optics & Laser Technology, 2024 - Elsevier
Based on carrier-suppressed dual-sideband (CS-DSB) modulation and injection-locking
technique, a scheme of phase-noise-cancelled frequency-modulated continuous-wave …

Bandpass filter and frequency–time mapping method for pulse measurement with optical delay

S Zhang, Y Yang, S Luan, Y Tian, S Xie, Y Wang - Optics Letters, 2023 - opg.optica.org
The pulse signal's transients and low duty cycle characteristics lead to excessive omission
and erroneous amplitude measurement in signal capture. We offer a combined microwave …

External modulation optical coherent domain reflectometry with long measurement range

Y Xue, Y Niu, S Gong - Sensors, 2021 - mdpi.com
Optical coherent domain reflectometry (OCDR) can achieve a high spatial resolution that is
independent of the bandwidth of the receiver, but the measurement range is usually very …

Self-correction of nonlinear sweep of tunable laser source in OFDR

M Badar, P Lu, M Buric… - Fiber Optic Sensors and …, 2019 - spiedigitallibrary.org
Nonlinear laser wavelength tuning effects appear as phase noise in wavelength swept
interferometry. A new method is proposed to compensate tuning nonlinear effects in optical …