Showing 101 - 120 results of 157 for search '"fiber optics"', query time: 0.07s Refine Results
  1. 101

    Pyrometer for temperature measurement of melts by V. A. Zakharenko, Ya. R. Veprikova, D. Yu. Kropachev

    Published 2018-09-01
    “…The paper describes a new approach to melt temperature measurements using fiber-optic pyrometer. An analytical review of methods and means of measuring the temperature of hightemperature melts is done. …”
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    Article
  2. 102

    Experimental Study on the Concept of Hollow-Core Photonic Bandgap Fiber Stethoscope by Adel Abdallah

    Published 2018-01-01
    “…An experiment is proposed to show the feasibility of using hollow-core photonic bandgap fibers (HC-PBF) in the fiber-optic interferometric stethoscopes to generally improve the sensitivity and overcome the problems associated with the electronic stethoscopes. …”
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    Article
  3. 103

    Propagation of optical vortices in an add-drop resonator based on a vertical array of ring resonators by B.P. Lapin, E.V. Barshak, M.A. Yavorsky, C.N. Alexeyev

    Published 2024-04-01
    “…We demonstrate a fundamental possibility of using VARs as elements of delay lines for fiber-optic communications using orbital angular momentum. …”
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    Article
  4. 104

    Paper-Based Sensors: Fantasy or Reality? by Ghenadii Korotcenkov

    Published 2025-01-01
    “…It is shown that paper has properties that make it possible to develop a wide variety of paper-based sensors, such as SERS, colorimetric, fluorescent, conductometric, capacitive, fiber-optic, electrochemical, microfluidic, shape-deformation, microwave, and various physical sensors. …”
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    Article
  5. 105

    Inelastic deformation and destruction of fiber-laminated polymer composites in stress concentration zones by Elena M. Strungar, Valery E. Wildemann

    Published 2020-07-01
    “…Recommendations on the use of a video system for calibration and sensitivity assessment of integrated fiber-optic sensors are presented.…”
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    Article
  6. 106

    Role of controlled radial expansion balloon bronchoplasty in benign subglottic and tracheal stenosis by Jeetendra Kumar Patra, Chinmaya Sundar Ray, Manoranjan Pattnaik, Subrat Kumar Behera

    Published 2024-12-01
    “…Six patients with subglottic and tracheal stenosis confirmed via fiber-optic bronchoscopy, all of whom had previously undergone tracheostomy, were included. …”
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  7. 107

    Study on optical fiber multi-parameter sensor by Tongyu LIU, Zhen LI, Xiangjun MENG, Lin ZHAO, Fuqi WANG, Guofeng DONG, Jiqiang WANG

    Published 2020-02-01
    “…Based on the principle of fiber Bragg grating detection,an optical fiber sensor for detecting wind speed and temperature and humidity in underground space was designed.The designed optical fiber wind speed sensor was based on the thermal flow detection method,which has high sensitivity to low wind speed.For the speed rising from 0 to 0.5 m/s,the wavelength variation is about 800 pm.For the demodulator with sensitivity of 1 pm,the speed resolution is 0.7 mm/s.Fiber optic humidity sensor was fabricated by uniform surface coating of FBG element in polyimide solution,and detection sensitivity of 4.2 pm/% RH was achieved with accuracy less than ± 3% RH.…”
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  8. 108

    Experimental Investigation Monitoring the Saturated Line of Slope Based on Distributed Optical Fiber Temperature System by Feng Li, Weixing Qin, Huiren Hu

    Published 2022-01-01
    “…The temperature rising rate and stable temperature difference at the position of the saturated line are between saturated soil and unsaturated soil. The fiber optic temperature increases with the increment of heating electron flow, which also demonstrates stability and repeatability.…”
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  9. 109

    Experimental investigation on polymer coated fibre bragg grating sensor for temperature measurement in sewer environment by Bharathi Raju, R Kumar, Samiappan Dhanalakshmi, Roman Hrbac, Lukas Demel, Narayanamoorthi R

    Published 2025-03-01
    “…With this light of investigation, this work focuses on investigation of Fiber Optical based temperature sensor coated with polymeric material which is resilience in harsh sewer and dynamic environments. …”
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    Article
  10. 110

    Simultaneous Measurement of Distributed Temperature and Strain through Brillouin Frequency Shift Using a Common Communication Optical Fiber by Leijun Hu, Liwen Sheng, Jisong Yan, Ligong Li, Ming Yuan, Fude Sun, Fushun Nian, Long Li, Jiaqing Liu, Shuai Zhou, Zhiming Liu

    Published 2021-01-01
    “…A multiparameter Brillouin fiber-optic sensor for distributed strain and temperature information measuring based on spontaneous scattering in a common communication optical fiber (the G. 652. …”
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    Article
  11. 111

    Synchronized acoustic emission and high-speed imaging of cavitation-induced atomization: The role of shock waves by Abhinav Priyadarshi, Paul Prentice, Dmitry Eskin, Peter D. Lee, Iakovos Tzanakis

    Published 2025-02-01
    “…Acoustic emissions and interfacial wave dynamics were simultaneously monitored in droplets of different liquids (water, isopropyl alcohol and glycerol), using a calibrated fiber-optic hydrophone and high-speed imaging. Spectral analysis of the hydrophone data revealed distinct subharmonic frequency peaks in the acoustic spectrum correlated with the wavelength of capillary waves, which were optically captured during the onset of atomization from the repetitive imploding bubbles. …”
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  12. 112

    Angularly Resolved Deep Brain Fluorescence Imaging Using a Single Optical Fiber by Israel J. De La Rosa, Mehdi Azimipour, Patrick K. Cullen, Fred J. Helmstetter, Ramin Pashaie

    Published 2018-01-01
    “…In this article, we report the development of a minimally invasive fiber optic based fluorescence probe which can reach deep brain objects and measure the intensity and spatial distribution of fluorescence signals in the tissue. …”
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  13. 113

    Near-Infrared Spectroscopy as an Analytical Process Technology for the On-Line Quantification of Water Precipitation Processes during Danhong Injection by Xuesong Liu, Chunyan Wu, Shu Geng, Ye Jin, Lianjun Luan, Yong Chen, Yongjiang Wu

    Published 2015-01-01
    “…For these NIR measurements, two fiber optic probes designed to transmit NIR radiation through a 2 mm flow cell were used to collect spectra in real-time. …”
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  14. 114

    Exact analytical soliton solutions of the M-fractional Akbota equation by Muath Awadalla, Aigul Taishiyeva, Ratbay Myrzakulov, Jihan Alahmadi, Abdullah A. Zaagan, Ahmet Bekir

    Published 2024-06-01
    “…The obtained results are very helpful in optical fibers, optics, telecommunications and other fields. Hence, the gained solutions are fruitful in the future study for these models. …”
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  15. 115

    Strain monitoring of cement-based materials with embedded polyvinyl alcohol - carbon nanotube (PVA-CNT) fibers by Zoi S. Metaxa, Wilfrid Neri, Philippe Poulin, Nikolaos D. Alexopoulos

    Published 2017-04-01
    “…Two types of PVA-CNT fibers were embedded in the matrix at a short distance from the bottom of the beam and their readings were correlated with traditional sensors, e.g. strain gauges and Fiber Optic Bragg Gratings. The Electrical Resistance Change (ERC) of the embedded PVACNT fiber was in-situ monitored during four-point bending mechanical tests. …”
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  16. 116

    Numerical analysis of the strain values obtained by FBG embedded in a composite material using assumptions about uniaxial stress state of the optical fiber and capillary on the Bra... by Natalia Aleksandrovna Kosheleva, Valerii Matveenko, Grigorii Serovaev, Andrey Fedorov

    Published 2019-05-01
    “…One of the issues in the strain measurement with the help of fiber-optic sensors based on Bragg gratings is the calculation of the strain based on the information from the sensor and its correspondence to the material strain. …”
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    Article
  17. 117

    Inversion Calculation Analysis of Operational Tunnel Structure Based on the Distributed Optical-Fiber Sensing System by Jie Zhao, Jiang Feng, Liang Ren

    Published 2017-01-01
    “…In combination of the actual project in Dalian Baiyun Mountain Tunnel, this paper introduces the principle of fiber optic sensor monitoring system based on optical time domain reflectometer. …”
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  18. 118

    Numerical analysis of the strain values obtained by FBG embedded in a composite material using assumptions about uniaxial stress state of the optical fiber and capillary on the Bra... by Valerii P. Matveenko, Natalia A. Kosheleva, Grigorii S. Serovaev, Andrey Yu. Fedorov

    Published 2019-07-01
    “…One of the issues in the strain measurement with the help of fiber-optic sensors based on Bragg gratings is the calculation of the strain based on the information from the sensor and its correspondence to the material strain. …”
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    Article
  19. 119

    Hypercalcemia, Anemia, and Acute Kidney Injury: A Rare Presentation of Sarcoidosis by Neeraj Sharma, Hassan Tariq, Kalpana Uday, Yevgeniy Skaradinskiy, Masooma Niazi, Sridhar Chilimuri

    Published 2015-01-01
    “…Noncontrast computed tomography (CT) scan of chest showed bilateral apical bronchiectasis, but did not show any lymphadenopathy or evidence of malignancy. Subsequently, a fiber optic bronchoscopy with transbronchial biopsy showed nonnecrotizing granulomatous inflammation consistent with sarcoidosis. …”
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  20. 120

    Cavity Wavelength on Erbium-Doped Fiber Ring Laser Depending on Fabry–Pérot Etalon Steering Angle by Cheng-Kai Yao, Ting-Po Fan, Ming-Che Chan, Peng-Chun Peng

    Published 2025-01-01
    “…These capabilities are primarily influenced by the operational wavelength of the erbium-doped fiber amplifier (EDFA), the operating wavelength of the collimator that directs the fiber optic beam into the LC-FP, and the fixed thickness of the LC-FP.…”
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