Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Junfa Zhao"'
Autor:
Cheng Zhang, Guanghuan Cui, Changyun Miao, Shanshan Zhang, Hongqiang Li, Junfa Zhao, Jixuan Wu
Publikováno v:
Results in Optics, Vol 5, Iss , Pp 100163- (2021)
A fiber Fabry-Perot (F-P) temperature sensor sealed with thermosensitive polymer has been proposed and demonstrated. The structure of fully enclosed quartz probe reduces the interference from ambient pressure and refractive index (RI). The automatic
Externí odkaz:
https://doaj.org/article/e0f83bce8f064ac89a666a8323e605bb
Tunable and Switchable Multi-Wavelength Erbium-Doped Fiber Laser Based on Composite Structure Filter
Publikováno v:
Photonics, Vol 9, Iss 10, p 768 (2022)
A multi-wavelength erbium-doped fiber laser (MW-EDFL) with wide tuning range, switching and adjustable wavelength interval is designed and tested, which is based on a composite filter. The filter consists of a tapered microfiber coupler loop (TMCL) w
Externí odkaz:
https://doaj.org/article/a6b51c702e914c4fb8d5fcb4e880adf2
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-8 (2017)
A differential intensity modulation refractometer based on single-mode-no-core-single-mode (SNS) structure cascaded with two fiber Bragg gratings (FBGs) is proposed. The SNS structure acts as a band pass fiber (BPF), and the Bragg wavelengths of the
Externí odkaz:
https://doaj.org/article/a01b0916e0de4999a1e091c42329168a
Publikováno v:
IEEE Photonics Journal, Vol 8, Iss 5, Pp 1-8 (2016)
A novel refractive index fiber laser sensor based on a fiber Bragg grating (FBG) integrated with a section of no-core fiber (NCF) is proposed and experimentally demonstrated. The oscillating wavelength of the fiber laser is only decided by the centra
Externí odkaz:
https://doaj.org/article/1dc46d7b91ef4dbc963e654057666852
Publikováno v:
Sensors, Vol 17, Iss 10, p 2353 (2017)
A relative humidity (RH) sensor based on single-mode–no-core–single-mode fiber (SNCS) structure is proposed and experimentally demonstrated. The agarose gel is coated on the no-core fiber (NCF) as the cladding, and multimode interference (MMI) oc
Externí odkaz:
https://doaj.org/article/2eb86fd326104e3cb7154112b171fcb4
Publikováno v:
Sensors, Vol 17, Iss 10, p 2240 (2017)
Multimode interferometers based on the single-mode-no-core-single-mode fiber (SNCS) structure have been widely investigated as functional devices and sensors. However, the theoretical support for the sensing mechanism is still imperfect, especially f
Externí odkaz:
https://doaj.org/article/ecffde12fac24f8e8556ee335cc38808
Publikováno v:
Jichu yixue yu linchuang, Vol 44, Iss 2, Pp 167-173 (2024)
Objective To explore the expression of triggering receptor expressed on myeloid cells 2 (TREM2) in high-glucose microglia and to investigate the role of TREM2 in the proliferation, migration and phagocytosis of high-glucose microglia. Methods Microgl
Externí odkaz:
https://doaj.org/article/c6cbc1399856496a8473aa7c8f40cccd
Publikováno v:
Sensors, Vol 16, Iss 10, p 1656 (2016)
A hollow fiber temperature sensor filled with graphene-Ag composite nanowire and liquid is presented and numerically characterized. The coupling properties and sensing performances are analyzed by finite element method (FEM) using both wavelength and
Externí odkaz:
https://doaj.org/article/c0df2ef1a6ce4f7a9bc80488bb5cb3e4
Publikováno v:
Integrated Ferroelectrics. 217:95-106
This paper presents a high efficiency K-band CMOS power amplifier (PA) in GlobalFoundries (GF) 45 nm SOI CMOS technology for 5 G applications. Compared with an ordinary two-stage PA, the PA uses a ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3d16f91e42a3a3f304348dfd48ff44
https://doi.org/10.1080/10584587.2021.1911300
https://doi.org/10.1080/10584587.2021.1911300
Autor:
Cheng Zhang, Junfa Zhao, Yange Liu, Fang Chuanqing, Jianquan Yao, Erdan Gu, Jia Shi, Shanshan Zhang
Publikováno v:
IEEE Sensors Journal. 20:8552-8558
A new ultra-long period fiber grating constructed by a series of up tapers is proposed and demonstrated experimentally. A fiber grating with length of 2mm is fabricated by cascading three up-tapers on a single mode fiber, which is the shortest ultra-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9e80a1cf912290bba560262a5597ba7d
https://doi.org/10.1109/jsen.2020.2985311
https://doi.org/10.1109/jsen.2020.2985311