Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Feng-qi Liu"'
Autor:
Tao-Ran Li, Bai-Le Li, Xin-Ran Xu, Jin Zhong, Tai-Shan Wang, Feng-Qi Liu, the Alzheimer’s Disease Neuroimaging Initiative
Publikováno v:
Frontiers in Aging Neuroscience, Vol 16 (2024)
BackgroundThe relationship between white matter hyperintensities (WMH) and the core features of Alzheimer’s disease (AD) remains controversial. Further, due to the prevalence of co-pathologies, the precise role of WMH in cognition and neurodegenera
Externí odkaz:
https://doaj.org/article/0b585721d2874dd2be2204c870793c39
Autor:
Feng-Min Cheng, Jin-Chuan Zhang, Zeng-hui Gu, Dong-Bo Wang, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-6 (2019)
Abstract In this paper, an anomalous spectral data of distributed Bragg reflector (DBR) quantum cascade lasers (QCLs) emitting around 7.6 μm is presented. The two-section DBR lasers, consisting of a gain section and an unpumped Bragg reflector, disp
Externí odkaz:
https://doaj.org/article/c38870aac48f4a7f93b3c24c147c1b40
Autor:
Feng-Min Cheng, Jin-Chuan Zhang, Dong-Bo Wang, Zeng-hui Gu, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-8 (2019)
Abstract High-power, low-threshold stable single-mode operation buried distributed feedback quantum cascade laser by incorporating sampled grating emitting at λ ~ 4.87 μm is demonstrated. The high continuous wave (CW) output power of 948 mW and 649
Externí odkaz:
https://doaj.org/article/c88e519e44754a86afaf92c9aef07ded
Autor:
Yue Zhao, Jin-Chuan Zhang, Feng-Min Cheng, Dong-Bo Wang, Chuan-Wei Liu, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 13, Iss 1, Pp 1-7 (2018)
Abstract Power scaling in broad area quantum cascade laser (QCL) usually leads to the deterioration of the beam quality with an emission of multiple lobes far-field pattern. In this letter, we demonstrate a tapered QCL array integrated with Talbot ca
Externí odkaz:
https://doaj.org/article/cfd351237e674c6dbb6c041e94b62221
Autor:
Dong-Bo Wang, Jin-Chuan Zhang, Feng-Min Cheng, Yue Zhao, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 13, Iss 1, Pp 1-7 (2018)
Abstract In this work, quantum cascade lasers (QCLs) based on strain compensation combined with two-phonon resonance design are presented. Distributed feedback (DFB) laser emitting at ~ 4.76 μm was fabricated through a standard buried first-order gr
Externí odkaz:
https://doaj.org/article/14b773f6917048379de280777dc39e6a
Autor:
Ming-na LI, Rui-cai LONG, Zi-rong FENG, Feng-qi LIU, Yan SUN, Kun ZHANG, Jun-mei KANG, Zhen WANG, Shi-hao CAO
Publikováno v:
Journal of Integrative Agriculture, Vol 17, Iss 1, Pp 184-196 (2018)
Carex rigescens (Franch.) V. Krecz is a wild turfgrass perennial species in the Carex genus that is widely distributed in salinised areas of northern China. To investigate genome-wide salt-response gene networks in C. rigescens, transcriptome analysi
Externí odkaz:
https://doaj.org/article/7db4faa1af71480496f7be17038dab00
Autor:
Chuan-Wei Liu, Jin-Chuan Zhang, Zhi-Wei Jia, Ning Zhuo, Shen-Qiang Zhai, Li-Jun Wang, Jun-Qi Liu, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 12, Iss 1, Pp 1-5 (2017)
Abstract In the present work, an ultra-low power consumption substrate-emitting distributed feedback (DFB) quantum cascade laser (QCL) was developed. The continuous-wave (CW) threshold power dissipation is reduced to 0.43 W at 25 °C by shortening th
Externí odkaz:
https://doaj.org/article/9c0de6fff50a417a9f988c8ef23b1ab5
Autor:
Zhi-Wei Jia, Li-Jun Wang, Jin-Chuan Zhang, Feng-Qi Liu, Yu-Hong Zhou, Dong-Bo Wang, Xue-Feng Jia, Ning Zhuo, Jun-Qi Liu, Shen-Qiang Zhai, Zhan-Guo Wang
Publikováno v:
Nanoscale Research Letters, Vol 12, Iss 1, Pp 1-5 (2017)
Abstract Very low power-consumption distributed feedback (DFB) quantum cascade lasers (QCLs) at the wavelength around 4.9 μm were fabricated by conventional process without lateral regrowth of InP:Fe or using sidewall grating. Benefitted from the op
Externí odkaz:
https://doaj.org/article/439ad019c880457f9dfde69749556a29
Publikováno v:
Iranian Journal of Basic Medical Sciences, Vol 17, Iss 9, Pp 710-715 (2014)
Objective(s): The present study was aimed to investigate the influence of thoracic epidural blockade on hypoxia-induced pulmonary hypertension in rats. Materials and Methods: Forty eight Wistar rats were randomly divided into 4 equal groups, named no
Externí odkaz:
https://doaj.org/article/5b005bc78343454697197b6274f5a84f
Autor:
Fang-Liang Yan, Jin-Chuan Zhang, Zhi-Wei Jia, Ning Zhuo, Shen-Qiang Zhai, Shu-Man Liu, Feng-Qi Liu, Zhan-Guo Wang
Publikováno v:
AIP Advances, Vol 6, Iss 3, Pp 035022-035022-6 (2016)
A phase-locked quantum cascade laser (QCL) array consisting of one hundred elements that were integrated in parallel was achieved at λ ∼ 4.6 μm. The proposed Fraunhofer’s multiple slits diffraction model predicted and explained the far-field pa
Externí odkaz:
https://doaj.org/article/58108ac7d2094f71a67c06ef32961517