scholarly journals Overview of hardware for registering an impact on the surface of a space-craft

2021 ◽  
Vol 9 (3) ◽  
pp. 245-265
Author(s):  
Konstantin Voronov ◽  
Daniil Grigoriev ◽  
Alekcey Telegin
Keyword(s):  
Fiber Optic ◽  
Bragg Gratings ◽  
Fiber Optic Sensors ◽  
Experimental Results ◽  
Piezoelectric Sensors ◽  
Space Craft ◽  
Solar Panels ◽  
Advantages And Disadvantages

A review of devices that allow detecting micrometeoroid impacts on the spacecraft body is given, namely: piezoelectric sensors, fiber-optic sensors based on Bragg gratings, resistive sensors, sensors based on solar panels, robots, video surveil-lance cameras and thermography. The advantages and disadvantages of the devic-es presented in this article, their schemes and experimental results are presented

scholarly journals CRYOGENIC FIBER OPTIC SENSORS BASED ON FIBER BRAGG GRATINGS

2008 ◽  
Author(s):  
P. R. Swinehart ◽  
M. Maklad ◽  
S. S. Courts ◽  
J. G. Weisend ◽  
John Barclay ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Fiber Optic Sensors

scholarly journals Fiber Bragg grating fabrication by femtosecond laser radiation

2019 ◽  
Vol 220 ◽  
pp. 03007
Author(s):  
Anton Chernikov ◽  
Dmitriy Kochuev ◽  
Kirill Khorkov ◽  
Ruslan Chkalov ◽  
Nikolay Davydov
Keyword(s):  
Laser Radiation ◽  
Femtosecond Laser ◽  
Fiber Bragg Grating ◽  
Fiber Optic ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Fiber Optic Sensors ◽  
Bragg Grating ◽  
Femtosecond Laser Radiation ◽  
Grating Fabrication

The paper presents the results of fiber Bragg gratings fabrication by femtosecond laser radiation using point-by-point and line-by-line inscription methods. The approach makes it possible to fabricate the second and higher diffraction orders fiber Bragg gratings, which can be used as sensitive elements of fiber-optic sensors.

MEASUREMENT OF STRAINS IN CARBON-REINFORCED POLYMER COMPOSITE PRODUCTS AT ELEVATED TEMPERATURES USING FIBER-OPTIC SENSORS

2019 ◽  
pp. 14-19
Author(s):  
O. N. Budadin ◽  
W. Yu. Kutyurin ◽  
A. N. Rykov ◽  
P. I. Gnusin
Keyword(s):  
Elevated Temperatures ◽  
Fiber Optic ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Fiber Optic Sensors ◽  
Effect Of Temperature ◽  
Main Task ◽  
Reinforced Polymer ◽  
Different Temperatures ◽  
Quantitative Results

The main task of the contribution was the estimation of the possibility of using Fiber Bragg Gratings as a mean of measuring the deformation in standard carbon fiber samples at elevated temperatures. The article presents the results of experiments on the measurement of deformations in a carbon sample using Fiber Bragg Gratings on an optical fiber. Deformations were measured in the process of stretching the sample at different temperatures (range from 20 to 140 °C). It is shown that FBGs integrated into the sample material give more stable, reproducible readings, unlike to inlay on the outer surface. It has been established that the use of several FBGs with different sensitivity to temperature or deformation (created by mechanically decoupling the sensor from the sample) makes it possible to compensate the effect of temperature when measuring deformations. The quantitative results of measurements are provided.

Transparent network for hybrid multiplexing of fiber Bragg gratings and intensity-modulated fiber-optic sensors

2003 ◽  
Vol 42 (25) ◽  
pp. 5040 ◽  
Author(s):  
Silvia Abad ◽  
Francisco M. Araújo ◽  
Luis Alberto Ferreira ◽  
José Luís Santos ◽  
Manuel López-Amo
Keyword(s):  
Fiber Optic ◽  
Fiber Bragg Gratings ◽  
Bragg Gratings ◽  
Fiber Optic Sensors ◽  
Intensity Modulated ◽  
Transparent Network

Evanescent Wave Absorption Spectroscopy by Means of Bi-Tapered Multimode Optical Fibers

1998 ◽  
Vol 52 (4) ◽  
pp. 546-551 ◽  
Author(s):  
Anna Grazia Mignani ◽  
Riccardo Falciai ◽  
Leonardo Ciaccheri
Keyword(s):  
Optical Fiber ◽  
Optical Fibers ◽  
Absorption Spectroscopy ◽  
Evanescent Wave ◽  
Fiber Optic ◽  
Fiber Optic Sensors ◽  
Experimental Results ◽  
Multimode Optical Fiber ◽  
Wave Absorption ◽  
Reproducible Technique

This paper discusses the theoretical and experimental implications of tapering a multimode optical fiber with a view to its use in evanescent wave absorption spectroscopy. Good experimental results are obtained, showing the possibility of quadruplicating the absorbance efficiency. This easy and reproducible technique for taper fabrication is suitable for the implementation of both probes for spectroscopy and chemically assisted fiber-optic sensors.

Fiber-optic sensors based on Bragg gratings

2008 ◽  
Vol 42 (7) ◽  
pp. 535-537
Author(s):  
S. A. Babin ◽  
A. A. Vlasov ◽  
I. S. Shelemba
Keyword(s):  
Fiber Optic ◽  
Bragg Gratings ◽  
Fiber Optic Sensors
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