Zobrazeno 1 - 10
of 725
pro vyhledávání: '"ofdr"'
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 63-73 (2024)
In order to study the fiber optical strain characterization method of the overlying rock structure during mining in a certain mine in northern Shannxi, based on the engineering geological conditions of 12217 working face in Buertai Mine, the strain m
Externí odkaz:
https://doaj.org/article/953ee6bc697e4b8fa9ee47b0dd1d4c41
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 1, Pp 1-5 (2024)
Accurate measurement of interferometer arm-length difference is very important in the application fields such as fiber optic hydrophones. However, the interferometer is very sensitive to the environmental vibration and noise, which affects the accura
Externí odkaz:
https://doaj.org/article/27b8ded668ea49b8a590b7683272c116
Publikováno v:
Photonics, Vol 11, Iss 10, p 919 (2024)
In recent years, flexible pressure sensors have garnered significant attention. However, the development of large-area, low-cost, and easily fabricated flexible pressure sensors remains challenging. We designed a flexible fiber optic pressure sensor
Externí odkaz:
https://doaj.org/article/e326b234079a4b5bbca80e241d269f0d
Publikováno v:
Photonics, Vol 11, Iss 9, p 854 (2024)
In this paper, a method for detection of crack locations and the width of basin insulators is proposed. Based on the optical frequency domain reflectometry (OFDR) system, the system utilizes an FBG with high feedback for strain as well as temperature
Externí odkaz:
https://doaj.org/article/e9eeb48cc75a46108db4ddc4fe2eb190
Akademický článek
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Publikováno v:
Photonics, Vol 11, Iss 8, p 755 (2024)
The precise evaluation of micro-crack sizes and locations is crucial for the safe operation of structures. Traditional detection techniques, however, suffer from low spatial resolution, making it difficult to accurately locate micrometer-scale cracks
Externí odkaz:
https://doaj.org/article/af0eb975c0e04cae937da6550dfe2f3e
Publikováno v:
Sensors, Vol 24, Iss 16, p 5212 (2024)
Defects occurring during the welding process of metal structural components directly affect their overall strength, which is crucial to the load-bearing capacity and durability of the components. This signifies the importance of accurate measurement
Externí odkaz:
https://doaj.org/article/6c48fe5e8beb493e9b6be6cee23e037f
Autor:
Ivan A. Lobach, Andrei A. Fotiadi, Vasily A. Yatseev, Yuri A. Konstantinov, Fedor L. Barkov, D. Claude, Dmitry A. Kambur, Maxim E. Belokrylov, Artem T. Turov, Dmitry A. Korobko
Publikováno v:
Sensors, Vol 24, Iss 16, p 5432 (2024)
In this review, we summarize the latest advances in the design of optical frequency-domain reflectometers (OFDRs), digital signal processing, and sensors based on special optical fibers. We discuss state-of-the-art approaches to improving metrologica
Externí odkaz:
https://doaj.org/article/6799f9f98a9d4ba09317136e3ce35a77
Publikováno v:
Sensors, Vol 24, Iss 12, p 3811 (2024)
As the basic application of fiber optic sensing technology, strain measurement accuracy as a key index needs to be further calibrated and analyzed. In this paper, accuracy calibration experiments and the related analyses of two fiber-optic sensing te
Externí odkaz:
https://doaj.org/article/f53cdce455364f918aedd1f8e5b52268
Publikováno v:
Sensing and Bio-Sensing Research, Vol 43, Iss , Pp 100616- (2024)
In recent years, fiber sensing technology has become more and more important in many fields of applied science. The versatility of the fiber sensors to obtain reliable and precise measurements while maintaining compact size and reduced costs has no c
Externí odkaz:
https://doaj.org/article/9124e269d76242009794894857fbec85