Results 11 to 20 of about 453,893 (187)

Remote Non-Invasive Fabry-Pérot Cavity Spectroscopy for Label-Free Sensing [PDF]

open access: yesSensors, 2022
One way of optically monitoring molecule concentrations is to utilise the high sensitivity of the transmission and reflection rates of Fabry-Pérot cavities to changes of their optical properties.
Abeer Al Ghamdi   +3 more
doaj   +2 more sources

Research on the Frequency Response and Dynamic Range of the Quadrature Fiber Optic Fabry–Perot Cavity Microphone Based on the Differential Cross Multiplication Demodulation Algorithm [PDF]

open access: yesSensors, 2021
A quadrature fiber optic Fabry–Perot cavity microphone based on a differential cross multiplication algorithm consists of a pair of fibers and a membrane.
Baokai Ren   +6 more
doaj   +2 more sources

Fabry–Perot Cavity Sensing Probe with High Thermal Stability for an Acoustic Sensor by Structure Compensation [PDF]

open access: yesSensors, 2018
Fiber Fabry–Perot cavity sensing probes with high thermal stability for dynamic signal detection which are based on a new method of structure compensation by a proposed thermal expansion model, are presented here.
Jin Cheng, Yu Zhou, Xiaoping Zou
doaj   +2 more sources

Rough Fabry–Perot cavity: a vastly multi-scale numerical problem [PDF]

open access: yesNanophotonics
A commercial Fabry–Perot laser diode is characterized by highly disproportionate dimensions, which poses a significant numerical challenge, even for state-of-the-art tools.
Slipchenko Tetiana   +6 more
doaj   +2 more sources

Micro-machining Techniques for the Fabrication of Fibre Fabry-Perot Sensors [PDF]

open access: yes, 2006
Fabry-Perot optical fibre sensors have been used extensively for measuring a variety of parameters such as strain, temperature, pressure and vibration. Conventional extrinsic fibre Fabry-Perot sensors are associated with problems such as calibration of ...
Machavaram, V. R.
core   +7 more sources

An investigation of chirped fibre Bragg gratings Fabry-Perot interferometer for sensing applications [PDF]

open access: yes, 2005
Fibre interferometer configurations such as the Michelson and Fabry-Perot (FP) have been formed using uniformed and chirped Fibre Bragg Gratings (FBG) acting as partial reflectors. As well as increasing the dynamic range of the interferometer, chirped
Cheung, Chi Shing
core   +7 more sources

Antenna Array Based on Fabry–Perot Cavity with Mechanoelectrical Beam Steering

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2021
Introduction. Introduction. Low-profile effective antenna systems (AS) with maintained directional characteristics in a wide sector of scanning angles are required for satellite communication at mobile objects.
Y. A. Litinskaya   +2 more
doaj   +1 more source

Dual-Wideband High-Gain Fabry-Perot Cavity Antenna

open access: yesIEEE Access, 2020
In this paper, we proposed a novel Fabry-Perot cavity antenna with high-gain radiation over two wide bands based on a partially reflective metasurface.
Yan-He Lv, Xiao Ding, Bing-Zhong Wang
doaj   +1 more source

Research on Narrow Linewidth External Cavity Semiconductor Lasers

open access: yesCrystals, 2022
Narrow linewidth external cavity semiconductor lasers (NLECSLs) have many important applications, such as spectroscopy, metrology, biomedicine, holography, space laser communication, laser lidar and coherent detection, etc.
Keke Ding   +10 more
doaj   +1 more source

A Dual-Cavity Fabry–Perot Interferometric Fiber-Optic Sensor for the Simultaneous Measurement of High-Temperature and High-Gas-Pressure

open access: yesIEEE Access, 2020
A fiber optic dual-cavity Fabry-Perot interferometer(DFPI) for simultaneous high- temperature and high-gas-pressure measurements is proposed and experimentally demonstrated.
Yang Cui   +4 more
doaj   +1 more source

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