Results 31 to 40 of about 31,642 (200)

Ionizing Radiation Detectors Based on Ge-Doped Optical Fibers Inserted in Resonant Cavities

Sensors, 2015
The measurement of ionizing radiation (IR) is a crucial issue in different areas of interest, from environmental safety and industrial monitoring to aerospace and medicine.
Saverio Avino, Vittoria D'Avino, Antonio Giorgini, Roberto Pacelli, Raffaele Liuzzi, Laura Cella, Paolo De Natale, Gianluca Gagliardi   +7 more
doaj   +1 more source

Tapered Optical Fiber Functionalized with Palladium Nanoparticles by Drop Casting and Laser Radiation for H2 and Volatile Organic Compounds Sensing Purposes

Sensors, 2017
A comparative study on the sensing properties of a tapered optical fiber pristine and functionalized with the palladium nanoparticles to hydrogen and volatile organic compounds (VOCs), is presented.
Nancy Elizabeth González-Sierra, Luz del Carmen Gómez-Pavón, Gerardo Francisco Pérez-Sánchez, Arnulfo Luis-Ramos, Plácido Zaca-Morán, Jesús Manuel Muñoz-Pacheco, Fernando Chávez-Ramírez   +6 more
doaj   +1 more source

A compact online proton spectrometer for diagnosis of picosecond intense-laser accelerated protons

AIP Advances, 2023
A compact online proton spectrometer based on a CMOS plate detector was proposed for the diagnosis of picosecond intense-laser accelerated protons. Inside the CMOS plate detector, a composite structure that composed of a scintillator screen, a fiber ...
J. Teng, L. Q. Shan, B. Zhu, Z. G. Deng, S. K. He, Z. Q. Yuan, W. Qi, H. L. Wang, H. Wei, Y. H. Yan, H. Huang, T. K. Zhang, W. W. Wang, T. Yi, F. Zhang, M. H. Yu, L. Yang, F. Lu, Z. H. Yang, B. Zhang, B. Cui, C. Tian, K. N. Zhou, Y. C. Wu, J. Q. Su, W. M. Zhou, Y. Q. Gu   +26 more
doaj   +1 more source

Miniature photonic-crystal hydrophone optimized for ocean acoustics

, 2010
This work reports on an optical hydrophone that is insensitive to hydrostatic pressure, yet capable of measuring acoustic pressures as low as the background noise in the ocean in a frequency range of 1 Hz to 100 kHz.
Gordon S. Kino, Kim S., Knudsen V. O., Michel J. F. Digonnet, Olav Solgaard, Onur Kilic, Peng G. D., Škvor Z.   +7 more
core   +1 more source

Fiber-Optic Sensor for Identifying Liquids and Determining Solutions Concentration

Доклады Белорусского государственного университета информатики и радиоэлектроники
Fiber-optic sensors for identifying liquids and determining the concentration of solutions have been studied with the possibility of using various types of single-mode optical fibers produced by industry and widely used in optical cables and ...
A. O. Zenevich, T. G. Kovalenko, E. V. Novikov, S. V. Zhdanovich   +3 more
doaj   +1 more source

A FIBER-OPTIC HYDROACOUSTIC PRESSURE SENSOR BASED ON INTERMODE INTERFERENCE [PDF]

Radio Physics and Radio Astronomy
Subject and Purpose. The use of the two-mode operation of an optical fi ber in fiber-optic sensors simplifies the interferometerdesign and enhances the reliability of sensing. Methods and Methodology.
I. V. Linchevskyi, M. V. Chursanova
doaj   +1 more source

PHASE-ISOTROPIC CORNER REFLECTOR FOR FIBER-OPTIC CONVERTER

Известия высших учебных заведений: Проблемы энергетики, 2018
The article is devoted to the design of optical device ‒ phase isotropic corner reflector, which may find application as a mirror in the fiber-optic converter.
A. S. Nikitin, A. N. Borisov
doaj   +1 more source

SPECTRAL CHARACTERISTICS STUDY OF PHASE-SHIFTED FIBER BRAGG GRATINGS UNDER PRESSURE APPLIED PERPENDICULAR TO FIBER AXIS [PDF]

Научно-технический вестник информационных технологий, механики и оптики, 2018
Subject of Research.The paper presents the study of effect that occurs when pressure is applied to the phase-shifted fiber Bragg gratings perpendicular to the fiber axis. Method. Fiber Bragg gratings inscription was performed using Talbot interferometer,
Novikova V.A., Varzhel S.V., Dmitriev A.A, Zalesskaya Yu.K., Idrisov R.F.   +4 more
doaj   +1 more source

Gamma-ray Spectroscopy Using Inorganic Scintillator Coated with Reduced Graphene Oxide in Fiber-Optic Radiation Sensor

Photonics, 2021
In this study, we developed a remote gamma-ray spectroscopy system based on a fiber-optic radiation sensor (FORS) that is composed of an inorganic scintillator coated with reduced graphene oxide (RGO) and a plastic optical fiber (POF).
Jin Ho Kim, Seunghyeon Kim, Siwon Song, Taeseob Lim, Jae Hyung Park, Jinhong Kim, Cheol Ho Pyeon, Sung Won Hwang, Bongsoo Lee   +8 more
doaj   +1 more source

Glassy carbon formation from pyrolysis of polymeric coatings on fiber-optic sensors

Materials & Design
Deploying fiber-optic sensors in nuclear reactors requires a detailed understanding of radiation effects on the fiber materials and the transmitted signals.
Bryan Conry, J. Matthew Kurley, Daniel C. Sweeney, Christian M. Petrie   +3 more
doaj   +1 more source