Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Xiongxing Zhang"'
Publikováno v:
IEEE Photonics Journal, Vol 11, Iss 4, Pp 1-11 (2019)
For the absolute cavity length interrogation of fiber-optic Fabry-Perot (FP) sensors, a low-coherence interferometer based on the Powell lens is proposed and demonstrated. The usage of a large-fan-angle Powell lens combined with a tiny fiber collimat
Externí odkaz:
https://doaj.org/article/8bb92dc6f65b493b8189b685013912c7
Publikováno v:
Sensors, Vol 22, Iss 15, p 5898 (2022)
A high-precision cross-correlation cavity length demodulation method for fiber-optic Fabry–Perot (F–P) sensors based on two different wavelength superluminescent diodes (SLDs) was proposed. This method can solve the problem of low demodulation ac
Externí odkaz:
https://doaj.org/article/b7fc44b6c7684c91a8fa94627604b4e1
Publikováno v:
AIP Advances, Vol 11, Iss 2, Pp 025038-025038-8 (2021)
This work presents a high-precision fiber optic pressure sensor based on frequency-modulated continuous-wave (FMCW) laser interference. The pressure sensor is primarily composed of a diaphragm-type Fabry–Pérot (F–P) cavity, with the diaphragm fa
Externí odkaz:
https://doaj.org/article/0efafa4383f345a88a93efe76292c44a
Publikováno v:
International Journal of Optics, Vol 2021 (2021)
Frequency-modulated continuous-wave (FMCW) interference, as a new technology of laser interferometry, has the advantages of length traceability, large range, high accuracy, simple structure, and optical fiber transmission. Based on the formula of FMC
Externí odkaz:
https://doaj.org/article/156775773c2648208c8b54d88de16580
Publikováno v:
AIP Advances, Vol 10, Iss 7, Pp 075305-075305-6 (2020)
Aiming at the application of a 2D laser profile sensor in the detection of an aero-engine blade surface, a three-point alignment transformation algorithm based on a single-standard ball is proposed. In the algorithm, the standard ball is used to meas
Externí odkaz:
https://doaj.org/article/4d8c004747c54f73a7588f04baeb4abe
Publikováno v:
Sensors, Vol 19, Iss 19, p 4097 (2019)
This study presents an extrinsic Fabry−Perot interferometric (EFPI) fiber-optic strain sensor with a very short cavity. The sensor consists of two vertically cut standard single-mode fibers (SMFs) and a glass capillary with a length of several cent
Externí odkaz:
https://doaj.org/article/dbdcf80b555d41ed90836276dee99644
Publikováno v:
Sensors, Vol 19, Iss 7, p 1628 (2019)
A white light non-scanning correlation interrogation system was proposed and built to interrogate absolute length of the air cavity of fiber-optic compound Fabry–Perot pressure sensors for the extraction of pressure value. By carefully choosing thi
Externí odkaz:
https://doaj.org/article/d70706e9f5c64218907497993d70a7ae
Publikováno v:
Sensors, Vol 19, Iss 1, p 36 (2018)
To solve the cavity interrogation problem of short cavity fiber Fabry–Perot sensors in white light spectral interrogation with amplified spontaneous emissions (ASEs) as the white light sources, a data processing method, using an improved elliptical
Externí odkaz:
https://doaj.org/article/48bcdb2ac9c84aaa97cdf8f2a16cce51
Autor:
Jiangxiao Qian, Wei Wang, Haibin Chen, Junying Zhang, Guanghai Liu, Zilong Guo, Xiongxing Zhang, Xiaohui Li
Publikováno v:
IEEE Sensors Journal. 23:154-158
Publikováno v:
IEEE Sensors Journal. 22:20508-20515