Results 31 to 40 of about 131,066 (169)

Comparative statistical analysis of neutral wind in mid-latitude mesosphere / lower thermosphere based on meteor radar and Fabry—Perot interferometer data

Solar-Terrestrial Physics, 2018
Studies of the upper atmosphere wind are very important both for understanding the mechanism of transformation of exposure energy into heating, movement and chemical activity of the atmosphere, and similar processes of energy transfer from lower to upper
Vasilyev R.V., Artamonov M.F., Merzlyakov E.G.   +2 more
doaj   +1 more source

Investigation of Composite Structure with Dual Fabry–Perot Cavities for Temperature and Pressure Sensing

Photonics, 2021
To deeply analyze the influence of diaphragm materials on the temperature and pressure sensitivity of Fabry–Perot interferometer-based dual-parameter fiber sensors, the multiple transfer method was used to fabricate the dual Fabry–Perot cavities ...
Jun Wang, Long Li, Shuaicheng Liu, Diyang Wu, Wei Wang, Ming Song, Guanjun Wang, Mengxing Huang   +7 more
doaj   +1 more source

Analysis of Dielectric Waveguide Grating and Fabry–Perot Modes in Elastic Grating in Optical Detection of Ultrasound

Sensors, 2021
In our previous work, we have demonstrated that dielectric elastic grating can support Fabry–Perot modes and provide embedded optical interferometry to measure ultrasonic pressure.
Suejit Pechprasarn, Chayanisa Sukkasem, Phitsini Suvarnaphaet   +2 more
doaj   +1 more source

Self-coherent optical transmission using a narrow linewidth tunable slotted fabry-perot laser [PDF]

, 2010
A narrow linewidth slotted Fabry-Perot laser has been employed in a self-coherent optical transmission system. A comparison of the system performance of the tunable slotted laser with a SG-DBR laser has also been ...
Anandarajah, Prince M., Smyth, Frank, K. Shi, Roycroft, Brendan, Corbett, Brian, F. Smyth, B. Roycroft, P. Anandarajah, Reid, Douglas A., Barry, Liam P., D. Reid, B. Corbett, F. H. Peters, Shi, Kai, Peters, F.H., R. Maher, L. P. Barry, Maher, Robert D.   +17 more
core   +3 more sources

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

, 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   +4 more sources

Miniature Twist/Rotation Fabry Perot Sensor Based on a Four-Core Fiber

Proceedings, 2018
This paper presents a miniature Fabry Perot twist/rotation sensor. The presented sensor consists of a single lead-in multicore fiber, which has four eccentrically positioned cores, a special asymmetrical microstructure, similar to a truncated cylinder ...
Vedran Budinski, Denis Donlagic
doaj   +1 more source

Fiber Optic Fabry-Perot Current Sensor Integrated with Magnetic Fluid Using a Fiber Bragg Grating Demodulation

Sensors, 2015
An optical fiber current sensor based on Fabry-Perot interferometer using a fiber Bragg grating demodulation is proposed. Magnetic fluid is used as a sensitive medium in fiber optical Fabry-Perot (F-P) cavity for the optical characteristic of magnetic ...
Ji Xia, Qi Wang, Xu Liu, Hong Luo
doaj   +1 more source

Response of a New Low-Coherence Fabry-Perot Sensor to Hematocrit Levels in Human Blood

Sensors, 2014
In this paper, a low-coherence Fabry-Perot sensor with a spectrally measured signal processing response to the refractive index of liquids is presented.
Małgorzata Jędrzejewska-Szczerska
doaj   +1 more source

High-precision fiber-optic temperature sensor based on Fabry-Perot interferometer with reflective thin-film multilayer structures

Научно-технический вестник информационных технологий, механики и оптики
An embodiment of a fiber-optic temperature sensor based on a Fabry-Perot interferometer and a scheme for interrogating an experimental sample of the sensor are proposed.
I. D. Moor, K. A. Konnov, M. Yu. Plotnikov, A. V. Volkov, S. V. Varzhel, D. A. Konnov, V. E. Strigalev   +6 more
doaj   +1 more source

Pulsed laser linewidth measurement using Fabry–Pérot scanning interferometer

Results in Physics, 2016
We apply the Fabry–Pérot (FP) scanning interferometer, which is normally used for continuous wave (CW) laser linewidth measurement, for the measurement of pulsed laser linewidths.
Junwen Xue, Wei Chen, Ying Pan, Jinqian Shi, Yujie Fang, Haijun Xie, Mingyuan Xie, Lu Sun, Binghua Su   +8 more
doaj   +1 more source