Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Dae-gil Kim"'
Publikováno v:
Sensors, Vol 15, Iss 8, Pp 18229-18238 (2015)
A fiber-optic cure monitoring system is proposed to measure curing status of composite structure such as a large scale wind turbine blade. The monitoring is based on the measurement of Fresnel reflectivity at the optical fiber/epoxy resin interface.
Externí odkaz:
https://doaj.org/article/8be23c80178f4d1ca616dfcc2b46ab70
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 34:34-39
Autor:
Il-Uk Jeon, Dae-gil Kim
Publikováno v:
THE JOURNAL OF PEACE STUDIES. 20:53-79
Publikováno v:
Optics Express. 30:47017
This study proposes a liquid-crystal-based active wavelength filter for phase-sensitive optical time domain reflectometry to mitigate the amplified spontaneous emission (ASE) noise and accurately match the passband with the light source. The validity
Publikováno v:
IEEE Sensors Journal. 19:4069-4073
Ethanol accounts for approximately half of all biomass fuel production, being one of the most important renewable fuel sources. To meet the requirements for ethanol concentration monitoring, we propose a graphene oxide (GO)-coated fiber optic (FO) se
Autor:
Mi-Ae Choi, Dae-Gil Kim
Publikováno v:
Europe Culture Arts Association. 9:101-119
Publikováno v:
IEEE Sensors Journal. 18:3640-3644
We report a fiber-optic sensor based on Fresnel reflection for real-time monitoring of cryogenic temperatures. Coating highly thermo-sensitive polymers on the facet of optical fiber, we obtain average measurement sensitivity 0.04 dB/K in temperature
Publikováno v:
Journal of Modern Optics. 65:781-787
This study proposes a fiber-optic temperature sensor with a single-mode fiber tip covered with a thermo-sensitive polymer resin. The temperature is sensed by measuring the Fresnel reflectio...
Publikováno v:
Optical Sensors 2019.
Publikováno v:
Applied optics. 57(3)
A polymer-coated fiber Bragg grating (PCFBG) is examined for real-time temperature and strain monitoring in composite materials at cryogenic temperatures. The proposed sensor enables the simultaneous measurement of temperature and strain at extremely