Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Shanren Liu"'
Publikováno v:
Sensors, Vol 24, Iss 19, p 6222 (2024)
A fiber Bragg grating (FBG) pulse and systolic blood pressure (SBP) measurement system based on the edge-filtering method is proposed. The edge filter is the Mach–Zehnder interferometer (MZI) fabricated by two fiber couplers with a linear slope of
Externí odkaz:
https://doaj.org/article/9a7a4a6241ac4e0a8da5ae7e3d94b4a4
Autor:
Qi Guo, Zhixu Jia, Xuepeng Pan, Shanren Liu, Zhennan Tian, Zhongming Zheng, Chao Chen, Guanshi Qin, Yongsen Yu
Publikováno v:
Crystals, Vol 11, Iss 8, p 946 (2021)
In this paper, a sapphire-derived fiber (SDF) with a core diameter of 10 μm and a cladding diameter of 125 μm is fabricated by the melt-in-tube method, and fiber Bragg gratings (FBGs) with reflectivity over 80% are prepared by the femtosecond laser
Externí odkaz:
https://doaj.org/article/ef827c3438e2486eb3cd12aff6cab8ee
Autor:
Qi Guo, Zhongming Zheng, Bo Wang, Xuepeng Pan, Shanren Liu, Zhennan Tian, Chao Chen, Yongsen Yu
Publikováno v:
Photonics, Vol 8, Iss 4, p 110 (2021)
In this paper, an energy regulation method based on the combination of a half-wave plate (HWP) and a polarization beam splitter (PBS) is proposed for the fabrication of apodized fiber gratings, which can effectively improve the side lobe suppression
Externí odkaz:
https://doaj.org/article/ab8f1c140aa24c3bb7e7922d5bcb732f
Autor:
Chao Chen, Shanren Liu, Bo Wang, Xuepeng Pan, Yong-Sen Yu, Hong-Bo Sun, Zhen-Nan Tian, Qi-Dai Chen, Qi Guo
Publikováno v:
Optics letters. 46(19)
This Letter reports a novel helical sapphire fiber Bragg grating (HSFBG) in a single crystal sapphire fiber with diameter of 60 µm fabricated by a 515 nm femtosecond laser. Due to the large refractive index modulation region and high structural symm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5124b1275a8786d3296b9d0f8b72f0e0
https://pubmed.ncbi.nlm.nih.gov/34598212
https://pubmed.ncbi.nlm.nih.gov/34598212
Publikováno v:
Optics letters. 46(9)
In this work, a method is proposed and demonstrated for fabrication of chirped fiber Bragg gratings (CFBGs) in single-mode fiber by femtosecond laser point-by-point inscription. CFBGs with bandwidths from 2 to 12 nm and dispersion ranges from 14.2 to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a92018d1c23feb1919be6dc04ebd4b73
https://pubmed.ncbi.nlm.nih.gov/33929418
https://pubmed.ncbi.nlm.nih.gov/33929418
Autor:
Shanren Liu, Guanshi Qin, Qi Guo, Zhen-Nan Tian, Xuepeng Pan, Yongsen Yu, Zhixu Jia, Chao Chen, Zhong-Ming Zheng
Publikováno v:
Crystals, Vol 11, Iss 946, p 946 (2021)
In this paper, a sapphire-derived fiber (SDF) with a core diameter of 10 μm and a cladding diameter of 125 μm is fabricated by the melt-in-tube method, and fiber Bragg gratings (FBGs) with reflectivity over 80% are prepared by the femtosecond laser
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ee5ed781686c121e363712ab95d10c0
https://doi.org/10.3390/cryst11080946
https://doi.org/10.3390/cryst11080946
Autor:
Xuepeng Pan, Zhong-Ming Zheng, Chao Chen, Qi Guo, Yongsen Yu, Zhen-Nan Tian, Shanren Liu, Bo Wang
Publikováno v:
Photonics, Vol 8, Iss 110, p 110 (2021)
In this paper, an energy regulation method based on the combination of a half-wave plate (HWP) and a polarization beam splitter (PBS) is proposed for the fabrication of apodized fiber gratings, which can effectively improve the side lobe suppression
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::712cbb4dfc90864d9c6742371a1435b4
https://doi.org/10.3390/photonics8040110
https://doi.org/10.3390/photonics8040110
Autor:
Xuepeng Pan, Qi Guo, Zhong-Ming Zheng, Chao Chen, Yong-Qin Zhu, Zhao-kang Xue, Shanren Liu, Tian-qi Shan, Yong-Sen Yu
Publikováno v:
Optical Materials Express. 11:80
A novel intensity-modulated directional torsion sensor based on a helical taper is proposed and experimentally demonstrated. The tapers are fabricated in standard single-mode fiber by electric-arc discharge, and by rotating one side fiber simultaneou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::076e6c65ab6616909914d8eae5a8a857
https://doi.org/10.1364/ome.411139
https://doi.org/10.1364/ome.411139