Long Distance Distributed Strain Sensing in OFDR by BM3D-SAPCA Image Denoising
We present a long distance distributed strain sensing in optical frequency domain reflectometry (OFDR) by shape-adaptive principal component analysis Block-Matching three-dimensional filter (BM3D-S…
Elimination of Side Lobe Ghost Peak Using Wiener Deconvolution Filter in OFDR
Ghost peaks refer to these peaks on backscattering trace measured by a reflectometer similar to Fresnel reflection peaks appearing at the position of non-reflection events in optical fiber or optic…
Intra-Channel Nonlinearity Mitigation in Optical Fiber Transmission Systems U…
In this work, a perturbation-based neural network (P-NN) scheme with an embedded bidirectional long short-term memory (biLSTM) layer is investigated to compensate for the Kerr fiber nonlinearity in…
Hybrid Sapphire Dual-Fabry—Perot-Cavities Sensor for High Temperature and R…
We presented a hybrid sapphire dual-Fabry-Perot- cavities sensor for high temperature and refractive index measurement. A double-sided polished sapphire solid wafer is connected in series with a do…
Is Ge an Excellent Material for Mid-IR Kerr Frequency Combs Around 3-μm Wave…
Mid-infrared (Mid-IR) Kerr frequency combs, which emit board, discrete, and evenly spaced laser frequencies in the spectral region of 2–20 μm, are expected to bring us tremendous applications fr…
Ultrasensitive Label-Free Biosensor Based on the Graphene-Oxide-Coated-U-Bent…
In this article, we theoretically and experimentally report a newly-designed biosensor, which consists of a particular graphene-oxide (GO)-coated-U-bent long-period fiber grating inscribed in a two…
Review of Fiber Mechanical and Thermal Multi-Parameter Measurement Technologi…
In extreme environments such as abysmal sea and deep space, the characteristics of low-temperature, vacuum, electromagnetic interference will significantly affect the performance of measuring instr…
High Accuracy and Real-Time Positioning Using MODWT for Long Range Asymmetric…
The key technology to demodulate the vibration position along the sensing fiber link in the asymmetric fiber interferometer based vibration sensors is to extract similar variation features with hig…
High Sensitivity Distributed Static Strain Sensing Based on Differential Rela…
We present a novel distributed high sensitivity static strain sensing method based on differential relative phase in optical frequency domain reflectometry (OFDR). By performing two separate tests …
An Event Recognition Scheme Aiming to Improve Both Accuracy and Efficiency in…
Developing an intrusion event identification scheme, which concurrently possesses high recognition accuracy and high efficiency, has been an intractable task in optical fiber perimeter security sys…
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