Results 11 to 20 of about 2,933 (178)

Estimating the measurement resolution of an arbitrary finesse fiber-optic Fabry – Perot interferometer via Cramer – Rao bound

St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2021
The work is devoted to obtaining an analytical ratio for estimating the resolution of measurements using a fiber-optic Fabry – Perot interferometer with an arbitrary mirrors’ reflectivity and its spectral interrogation. For this purpose, we used the Rao –
Markvart Aleksandr, Liokumovich Leonid, Ushakov Nikolai   +2 more
doaj   +1 more source

Investigation on the Differential Quadrature Fabry–Pérot Interferometer with Variable Measurement Mirrors

Applied Sciences, 2020
Due to the common path structure being insensitive to the environmental disturbances, relevant Fabry–Pérot interferometers have been presented for displacement measurement.
Yi-Chieh Shih, Pi-Cheng Tung, Wen-Yuh Jywe, Chung-Ping Chang, Lih-Horng Shyu, Tung-Hsien Hsieh   +5 more
doaj   +1 more source

A Composite Fabry-Perot Interferometric Sensor with the Dual-Cavity Structure for Simultaneous Measurement of High Temperature and Strain

Sensors, 2021
In this paper, an optical fiber composite Fabry-Perot interferometric (CFPI) sensor capable of simultaneous measurement of high temperature and strain is presented.
Ping Xia, Yuegang Tan, Caixia Yang, Zude Zhou, Kang Yun   +4 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

IEEE 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, Yi Jiang, Tianmu Liu, Jie Hu, Lan Jiang   +4 more
doaj   +1 more source

Wide-angle spectral imaging using a Fabry-Pérot interferometer [PDF]

Journal of the European Optical Society-Rapid Publications, 2015
We show that wide-angle spectral imaging can be achieved with compact and cost-effective devices using Fabry-Pérot interferometers. Designs with a full field of view of 90°, in which the Fabry-Pérot interferometer is mounted either in front of an imaging
Strauch M., Livshits I. L., Bociort F., Urbach H. P.   +3 more
doaj   +1 more source

Rapid Scanning of the Spectral Line Profile With [PDF]

Kirkuk Journal of Science, 2011
The problem of rapid scanning of spectral line profiles with help of Fabry-Perot Interferometer, and to investigate the physical parameters of these profiles is discussed.
Saalaar Z. Mohamed
doaj   +1 more source

The Comparison of Environmental Effects on Michelson and Fabry-Perot Interferometers Utilized for the Displacement Measurement

Sensors, 2010
The optical structure of general commercial interferometers, e.g., the Michelson interferometers, is based on a non-common optical path. Such interferometers suffer from environmental effects because of the different phase changes induced in different ...
Chung-Ping Chang, Lih-Horng Shyu, Yung-Cheng Wang   +2 more
doaj   +1 more source

High-spectral-resolution Fabry-Pérot interferometers overcome fundamental limitations of present volcanic gas remote sensing techniques

Frontiers in Earth Science, 2023
Remote sensing (RS) of volcanic gases has become a central tool for studying volcanic activity. For instance, ultraviolet (UV) skylight spectroscopy with grating spectrographs (GS) enables SO2 (and, under favourable conditions, BrO) quantification in ...
Jonas Kuhn, Jonas Kuhn, Nicole Bobrowski, Nicole Bobrowski, Guillaume Boudoire, Guillaume Boudoire, Sergio Calabrese, Sergio Calabrese, Giovanni Giuffrida, Marco Liuzzo, Katcho Karume, Dario Tedesco, Dario Tedesco, Thomas Wagner, Ulrich Platt, Ulrich Platt   +15 more
doaj   +1 more source

Optimal Design of an Hourglass in-Fiber Air Fabry-Perot Microcavity—Towards Spectral Characteristics and Strain Sensing Technology

Sensors, 2017
An hourglass in-fiber air microcavity Fabry-Perot interferometer is proposed in this paper, and its second reflecting surface of in-fiber microcavity is designed to be a concave reflector with the best curvature radius in order to improve the spectral ...
Qi Wang, Dongchao Yan, Binbin Cui, Zixuan Guo   +3 more
doaj   +1 more source

Analysis of Embedded Optical Interferometry in Transparent Elastic Grating for Optical Detection of Ultrasonic Waves

Sensors, 2021
In this paper, we propose a theoretical framework to explain how the transparent elastic grating structure can be employed to enhance the mechanical and optical properties for ultrasonic detection.
Chayanisa Sukkasem, Suvicha Sasivimolkul, Phitsini Suvarnaphaet, Suejit Pechprasarn   +3 more
doaj   +1 more source