BLoss-DDNet: bending loss and dual-task decoding network for overlapping cell nucleus segmentation of cervical clinical LBC images [PDF]
Frontiers in Artificial IntelligenceIntroductionCervical cancer has become one of the most malignant tumors that threatens women's health worldwide. Liquid-based cytology (LBC) examination has become the most common screening method for detecting cervical cancer early and preventing it ...
Guihua Yang +17 more
doaj +2 more sources
Surface Plasmon Resonance and Bending Loss-Based U-Shaped Plastic Optical Fiber Biosensors [PDF]
Sensors, 2018 Escherichia coli (E. coli) is a large and diverse bacteria group that inhabits the intestinal tract of many mammals. Most E. coli strains are harmless, however some of them are pathogenic, meaning they can make one sick if ingested. By being in the feces
Ariadny da S. Arcas +3 more
doaj +2 more sources
Twisted Dual-Cycle Fiber Optic Bending Loss Characteristics for Strain Measurement [PDF]
Sensors, 2018 The intensity-based fiber optic sensor (FOS) head using twisted dual-cycle bending loss is proposed and experimentally demonstrate. The bending loss characteristics depend on the steel wire radius, number, and distance.
Sang-Jin Choi +4 more
doaj +2 more sources
Design and Analysis of a Large Mode Field Area and Low Bending Loss Multi-Cladding Fiber with Comb-Index Core and Gradient-Refractive Index Ring [PDF]
Sensors, 2023 The large mode field area fiber can raise the tolerance of power, and high requirements for the bending characteristics of optical fibers are needed. In this paper, a fiber composed of a comb-index core, gradient-refractive index ring, and multi-cladding
Yining Zhang, Yudong Lian
doaj +2 more sources
Analysis of the Influence of Macro-Bending Loss in Single-Mode Optical Fibers on OFDR Signal Quality [PDF]
SensorsThis study investigates the influence of optical loss induced by the macro-bending of optical fibers on the signal quality of an optical frequency-domain reflectometry (OFDR) system.
Xiaoxi Qu +5 more
doaj +2 more sources
Holey fibers for low bend loss
Nanophotonics, 2013 Bending-loss insensitive fiber (BIF) has proved an essential medium for constructing the current fiber to the home (FTTH) network. By contrast, the progress that has been made on holey fiber (HF) technologies provides us with novel possibilities ...
Nakajima Kazuhide +6 more
doaj +2 more sources
Thermally Induced Mode Amplification Characteristics of Large Mode Area Segmented Cladding Fiber
IEEE Photonics Journal, 2021 A model of amplifier based on large mode area (LMA) segmented cladding fiber (SCF) is proposed. High order modes (HOMs) filtering effect and thermal-induced modal evolution characteristics are theoretically investigated by the few-mode steady state rate ...
Caijian Xie +6 more
doaj +1 more source
Impact of the central refractive index dip of fibers on high-power applications
Frontiers in Physics, 2023 Central refractive index dip is a common phenomenon in the fibers fabricated by the modified chemical vapor deposition (MCVD) technology, which is the main fabrication technique for high-power laser fibers.
Yi An +21 more
doaj +1 more source
Shape sensing of optical fiber Bragg gratings based on deep learning
Machine Learning: Science and Technology, 2023 Continuum robots in robot-assisted minimally invasive surgeries provide adequate access to target anatomies that are not directly reachable through small incisions.
Samaneh Manavi Roodsari +6 more
doaj +1 more source
A Large Mode Area Parabolic-Profile Core Fiber with Modified Segmented in Cladding
Photonics, 2022 In this paper, a novel fiber with a parabolic-profile core and eight segmented trenches in cladding is designed. The designed fiber consists of the segmented trench of low refractive index in cladding and parabolic-profile of high refractive index in the
Song Yang +4 more
doaj +1 more source