Results 11 to 20 of about 26,432 (315)

2D-Vector Magnetic Sensing Based on Ring-Shaped Fiber-Optic Structure Coated with Magnetic Fluid

open access: yesMicromachines, 2023
In this work, a novel fiber-optic sensor for 2D magnetic sensing is explored based on nanostructured magnetic fluid. The fiber-optic sensor comprises a ring-shaped fiber structure that is coated with magnetic fluid.
Qijing Lin   +4 more
doaj   +1 more source

STUDY OF GAIN FACTOR EFFECT OF ERBIUM DOPED FIBER AMPLIFIER ON NOISE FLOOR LEVEL OF FIBER-OPTIC INTERFEROMETRIC SENSOR [PDF]

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2018
Subject of Research. The paper presents experimental study results of the gain factor effect of an erbium doped fiber amplifier on the noise floor level of a fiber-optic interferometric acoustic sensor.
M. V. Bykadorov   +3 more
doaj   +1 more source

Fiber-Optic Chemical Sensors and Fiber-Optic Bio-Sensors [PDF]

open access: yesSensors, 2015
This review summarizes principles and current stage of development of fiber-optic chemical sensors (FOCS) and biosensors (FOBS). Fiber optic sensor (FOS) systems use the ability of optical fibers (OF) to guide the light in the spectral range from ultraviolet (UV) (180 nm) up to middle infrared (IR) (10 μm) and modulation of guided light by the ...
Marie Pospísilová   +2 more
openaire   +4 more sources

Research Advances on Fiber-Optic SPR Sensors with Temperature Self-Compensation

open access: yesSensors, 2023
The fiber-optic surface plasmon resonance sensor has very promising applications in environmental monitoring, biochemical sensing, and medical diagnosis, due to the superiority of high sensitivity and novel label-free microstructure.
Hongxia Zhao   +4 more
doaj   +1 more source

Desain Sensor Tingkat Kekeruhan Air Menggunakan Bahan Fiber Optik

open access: yesJurnal Jaringan Telekomunikasi, 2021
Pentingnya mengetahui tingkat kekeruhan air terutama dalam aktivitas penggunaan air konsumsi yang berupa air bersih menuntut adanya suatu alat yang digunakan untuk mengukur tingkat kekeruhan air. Pemanfaatan serat optik untuk mengetahui tingkat kekeruhan
Silviana Dewi Masitoh   +2 more
doaj   +1 more source

Interferometric Fiber Optic Sensors [PDF]

open access: yesSensors, 2012
Fiber optic interferometers to sense various physical parameters including temperature, strain, pressure, and refractive index have been widely investigated. They can be categorized into four types: Fabry-Perot, Mach-Zehnder, Michelson, and Sagnac.
Byeong Ha Lee   +6 more
openaire   +3 more sources

Microbend fiber-optic sensor [PDF]

open access: yesApplied Optics, 1984
Intensity modulation induced by microbending in multimode fibers is considered as a transduction mechanism for detecting environmental changes such as pressure, temperature, acceleration, and magnetic and electric fields. A generic microbend sensor has been defined and studied, and its components, such as sensing fiber, light source, optical fiber ...
N, Lagakos, J H, Cole, J A, Bucaro
openaire   +2 more sources

New multiplexing scheme for monitoring fiber optic Bragg grating sensors in the coherence domain [PDF]

open access: yes, 1997
A new multiplexing scheme for monitoring fiber optic Bragg gratings in the coherence domain has been developed. Grating pairs with different grating distances are distributed along a fiber line, and interference between their reflections is monitored ...
Usbeck, K.   +11 more
core   +1 more source

Self-Referencing Fiber-Optic Intensity Sensors Using Ring Resonators and Fiber Bragg Gratings [PDF]

open access: yes, 2006
An improved ring resonator self-referencing technique in a new reflection configuration for remote fiber-optic intensity sensors is demonstrated using fiber Bragg gratings. Sensor sensitivity doubles and a single fiber lead is used.
Sánchez-Pena, José Manuel   +3 more
core   +1 more source

Energy harvesting over a fiber–optic distributed acoustic sensor [PDF]

open access: yes, 2023
Fiber-optic distributed acoustic sensor (DAS) has been deployed for real-time monitoring of various physical phenomena. The operational principle of DAS relies on monitoring backscattered light from a fiber while leaving the pump optical pulses to get ...
Ashry, Islam   +6 more
core   +1 more source

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