Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Dun Qiao"'
Publikováno v:
IEEE Open Journal of Instrumentation and Measurement, Vol 3, Pp 1-10 (2024)
Frequency scanning interferometry (FSI) has become a popular method for long-range, targetbased, distance measurements. However, the cost of developing such systems, particularly the electronic components required for high-speed data acquisition (DAQ
Externí odkaz:
https://doaj.org/article/10db187c7070414fbc144ca86fd2cca7
Autor:
Jia Xue, Yani Zhang, Zhe Guang, Ting Miao, Zohaib Ali, Dun Qiao, Yiming Yao, Kexin Wu, Lei Zhou, Cheng Meng, Nigel Copner
Publikováno v:
Sensors, Vol 23, Iss 4, p 2020 (2023)
Diabetes Mellitus (DM) and Coronary Heart Disease (CHD) are among top causes of patient health issues and fatalities in many countries. At present, terahertz biosensors have been widely used to detect chronic diseases because of their accurate detect
Externí odkaz:
https://doaj.org/article/69482df9e5d34f54aac63f246c27a9c4
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
We propose a novel porous-core photonic crystal fiber (PCF) consisting of asymmetrical rectangular air holes in the core and six-ring hexagonal lattice circular air holes in the cladding for achieving low-loss polarization terahertz transmission in a
Externí odkaz:
https://doaj.org/article/ad934142af6c4a248e52e4a74806b8c6
Publikováno v:
Frontiers in Physics, Vol 8 (2020)
A passively Q-switched mode-locked (QML) operation in Tm,Ho:CaYAlO4 bulk laser was demonstrated experimentally by employing double-walled carbon nanotubes (DWCNTs) as a saturable absorber. The laser is pumped by a self-made wavelength tunable Ti:sapp
Externí odkaz:
https://doaj.org/article/71834edb0fbc4247946d841813e538e1
Autor:
Yani Zhang, Lei Zhou, Dun Qiao, Mengyin Liu, Hongyan Yang, Cheng Meng, Ting Miao, Jia Xue, Yiming Yao
Publikováno v:
Micromachines, Vol 13, Iss 3, p 348 (2022)
Graphene, a novel form of the hexagonal honeycomb two-dimensional carbon-based structural material with a zero-band gap and ultra-high specific surface area, has unique optoelectronic capabilities, promising a suitable basis for its application in th
Externí odkaz:
https://doaj.org/article/1a1ecd2b1c754b9596e2c62e51ebbc2d
Autor:
Dun Qiao, Kang Li, Sivagunalan Sivanathan, Bethan Copner, Nigel Copner, Michael Campbell, Ben Hughes
Publikováno v:
Emerging Applications in Silicon Photonics III.
Publikováno v:
Optics Express. 31:3970
A novel mode-hop-free (MHF) tunable external cavity diode laser (ECDL) is demonstrated without mechanical pivot-point tuning. By corotating a periscope with an etalon and a narrow band pass (NBP) filter inside an external cavity, the cavity single lo
Autor:
Linquan Lai, Kaiwen Yin, Jiale Tang, Zenan Fu, Kongtao Chen, Shunqin Zhang, Fuqiang Jia, Dun Qiao, Yuanlong Fan, Kang Li, Nigel Copner
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 281:121574
A novel method of Lorentz distribution solution (LDS) from overlapped absorbance profile in time domain (incomplete absorbance profile in frequency domain) based on the direct absorption spectroscopy method (DAS) was experimentally demonstrated. It u
Autor:
Shunqin Zhang, Nigel Copner, Fu Zenan, Fuqiang Jia, Yuanlong Fan, Lai Linquan, Dun Qiao, Kang Li
Publikováno v:
Optics letters. 46(13)
Optical vortex arrays have been achieved in an end-pumped N d : Y V O 4 laser pumped by an annular beam. Spontaneous transverse mode locking of Laguerre–Gaussian modes in different frequency-degenerate families has been obtained by merely adjusting
Autor:
Zhuo-ying Song, Xiaohan Chen, Li-bin Zhou, Zhe Guang, Yani Zhang, Shaopeng Li, Xiaohui Li, Dun Qiao
Publikováno v:
Nanotechnology. 33(8)
2D van der Waals materials are crystals composed of atomic layers, which have atomic thickness scale layers and rich distinct properties, including ultrafast optical response, surface effects, light-mater interaction, small size effects, quantum effe