Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Shuang Wang"'
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
A fiber-optic accelerometer based on extrinsic Fabry-Perot interferometer (EFPI) is reported. The sensor adopts flywheel diaphragm structure as a sensitive element, where the mass block is bonded in the center, while the beam of the flywheel acts as
Externí odkaz:
https://doaj.org/article/ddb94cd49d7b47308253d081a4f92e55
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-8 (2022)
In this paper, an environment-robust polarization-based phase-shift dynamic demodulation method for optical fiber acoustic sensor is proposed. Through optical lever effect of polarization low-coherence interference and amplitude scaling differential
Externí odkaz:
https://doaj.org/article/9f333504316d4554a611846b4e71c237
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 1, Pp 1-6 (2022)
An optical fiber probe composed of a fiber Bragg grating (FBG) and a reflective S fiber taper (SFT) with graphene oxide (GO) film, for simultaneous relative humidity (RH) and temperature measurement, was proposed and experimentally demonstrated in th
Externí odkaz:
https://doaj.org/article/b6857b1bfadd43429ec7193c589aaee4
Autor:
Peng Zhang, Shuang Wang, Junfeng Jiang, Chao Li, Tianhua Xu, Li Zhiyuan, Xun Yu, Yin Yu, Kun Liu, Tiegen Liu
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 3, Pp 1-10 (2021)
A differential pressure fiber optic infrasound sensor based on a mechanical filter was developed, for the detection of infrasound within the frequency range of 0.01--1 Hz. The sensing unit employs a miniature polyphenylene sulfide (PPS) diaphragm whi
Externí odkaz:
https://doaj.org/article/b8484e47866e4709bcc42568da89e192
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 3, Pp 1-9 (2020)
In this paper, we propose and demonstrate the optical fiber Fabry-Perot (F-P) interferometer based on birefringent crystals and polarization technology. For recovering the variation signals, the orthogonal signals are obtained based on the birefringe
Externí odkaz:
https://doaj.org/article/d174a1e4b0224a779d826628828f8550
Publikováno v:
IEEE Photonics Journal, Vol 12, Iss 2, Pp 1-11 (2020)
A demodulation method of spatial domain based on low-coherence interferometry is proposed. The original signal of spatial domain acquired by linear CCD is filtered with all-phase filter to obtain the fringe pattern, and the phase signal of the spatia
Externí odkaz:
https://doaj.org/article/d6bb70312fe948bf908fc94767b30286
Autor:
Zhichao Lv, Shuang Wang, Junfeng Jiang, Kun Liu, Xuezhi Zhang, Xiaoguang Qi, Xue Wang, Tiegen Liu
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 6, Pp 1-8 (2019)
We proposed and demonstrated an optical fiber Fabry-Perot (F-P) sensor with long sensing length for strain measurement. The structure of the sensor was fabricated with a simple process by splicing a long single mode fiber (SMF) with a short section o
Externí odkaz:
https://doaj.org/article/38d49185ac244652b9e67f147ed1d3dc
Autor:
Gaofei Gu, Junfeng Jiang, Shuang Wang, Kun Liu, Yongning Zhang, Zhenyang Ding, Xuezhi Zhang, Tiegen Liu
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 6, Pp 1-8 (2019)
A highly sensitive temperature sensor based on hollow microsphere is demonstrated for ocean temperature measurements. The effect of sensor parameters on temperature sensitivity is investigated with the experiments using different parameters hollow mi
Externí odkaz:
https://doaj.org/article/487028852c3d48bfb5a5b42f22af975a
Autor:
Xiaoying Liu, Junfeng Jiang, Shuang Wang, Kun Liu, Lei Xue, Xue Wang, Zhe Ma, Xuezhi Zhang, Yongning Zhang, Tiegen Liu
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 6, Pp 1-10 (2019)
A compact fiber optic Fabry-Perot (F-P) sensor for simultaneous acoustic and temperature measurement has been proposed in the research. The sensor consists of silicon-glass-silicon sandwich structure by anodic bonding. The air F-P cavity with a circu
Externí odkaz:
https://doaj.org/article/7ad59907c78d49c8af6f9948a47dd2f8
Publikováno v:
IEEE Photonics Journal, Vol 10, Iss 1, Pp 1-9 (2018)
We proposed an improved phase-based method by using a filtering window on the low-coherence interferogram. Through theoretical derivation and numerical simulation, we prove the correction of our proposed method that the fringe phase can be demodulate
Externí odkaz:
https://doaj.org/article/7f85bd31d6ef4afeb538fdcb9752bf5d