Zobrazeno 1 - 10
of 99
pro vyhledávání: '"Jiasheng Ni"'
Autor:
Abdul Ghaffar, Fei Ru, Jingming Liu, George Y. Chen, Jiasheng Ni, Jun Liu, Sadam Hussian, Jianping Yu, Bhagwan Das, Mujahid Mehdi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Silica fiber under high pressure increases the risk of fiber breakage or permanent deformation, which may cause sensor failure due to mechanical strength limitations. High pressure can also induce birefringence in optical fiber. In this stud
Externí odkaz:
https://doaj.org/article/019f1f04ad934b0bb4909f2c5396845d
Publikováno v:
Zhongguo yiliao qixie zazhi, Vol 48, Iss 1, Pp 114-118 (2024)
ObjectiveThrough data collection and analysis, the method of evaluating the operation quality of large medical equipment in children's hospital is explored and suggestions on the use and configuration of large medical equipment is put forward. Method
Externí odkaz:
https://doaj.org/article/6ba83df24db84e06b34fcba739098c50
Publikováno v:
Sensors, Vol 23, Iss 12, p 5609 (2023)
Lithium-ion batteries are widely used in a variety of fields due to their high energy density, high power density, long service life, and environmental friendliness. However, safety accidents with lithium-ion batteries occur frequently. The real-time
Externí odkaz:
https://doaj.org/article/99b3f84421ed48f38840fdc4361a6ee5
Autor:
Weitao Wang, Chen Wang, Shuai Qu, Haifeng Qi, Zhiqiang Song, Pengbo Jiang, Jian Guo, Ying Shang, Jiasheng Ni, Gangding Peng
Publikováno v:
Photonics, Vol 10, Iss 3, p 283 (2023)
The linear demodulation range and background noise of the Michelson interferometer system are investigated with a laser phase noise measurement system. We have theoretically and experimentally analyzed the performance of the interferometer system by
Externí odkaz:
https://doaj.org/article/a83d34cafd9d4ac590b00db234b68145
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-9 (2020)
The temperature dependency of erbium doped distributed feedback fiber laser output performance is experimentally and theoretically investigated with two major pump schemes. The output power declined linearly as temperature increased from 30 °C to 12
Externí odkaz:
https://doaj.org/article/44a015541b644039b59edda00e02dea7
Autor:
Jian Yang, Chen Wang, Jichao Yi, Yuankai Du, Maocheng Sun, Sheng Huang, Wenan Zhao, Shuai Qu, Jiasheng Ni, Xiangyang Xu, Ying Shang
Publikováno v:
Symmetry, Vol 14, Iss 12, p 2552 (2022)
With the rapid development of the high-speed railway industry, the safety of railway operations is becoming increasingly important. As a symmetrical structure, traditional manual patrol and camera surveillance solutions on both sides of the railway r
Externí odkaz:
https://doaj.org/article/6b9883bd199c4cbc9d58b2dbd73b9a0a
Autor:
Ying Shang, Maocheng Sun, Chen Wang, Jian Yang, Yuankai Du, Jichao Yi, Wenan Zhao, Yingying Wang, Yanjie Zhao, Jiasheng Ni
Publikováno v:
Sensors, Vol 22, Iss 16, p 6060 (2022)
Distributed acoustic sensing techniques based on Rayleigh scattering have been widely used in many applications due to their unique advantages, such as long-distance detection, high spatial resolution, and wide sensing bandwidth. In this paper, we pr
Externí odkaz:
https://doaj.org/article/27cfbbb9cd004e0dba9f58948750a5a2
Publikováno v:
Sensors, Vol 22, Iss 11, p 4044 (2022)
We demonstrate a non-intrusive dynamic monitoring method of oil well flow based on distributed optical fiber acoustic sensing (DAS) technology and the turbulent vibration. The quantitative measurement of the flow rate is theoretically acquired though
Externí odkaz:
https://doaj.org/article/7fe605981b5d4a9c85985705a7024b6f
Publikováno v:
Photonic Sensors, Vol 8, Iss 4, Pp 351-357 (2018)
Abstract A π phase-shifted fiber Bragg grating theoretical model is established, and the effects of an asymmetric and symmetrical perturbation field on a phase-shifted fiber Bragg grating are investigated in this paper. The trends of wavelength shif
Externí odkaz:
https://doaj.org/article/e2b8a48c873d40caabfcd905b947421b
Autor:
Xiaolei Zhang, Faxiang Zhang, Shaodong Jiang, Li Min, Ming Li, Gangding Peng, Jiasheng Ni, Chang Wang
Publikováno v:
Photonic Sensors, Vol 7, Iss 4, Pp 325-328 (2017)
Abstract A short cavity distributed feedback (DFB) fiber laser is used for low frequency acoustic signal detection. Three DFB fiber lasers with different central wavelengths are chained together to make three-element vector hydrophone with proper sen
Externí odkaz:
https://doaj.org/article/d1dac23eb6dd477bb17305ae95b81ae4