Mr. Longlong Wang Profile

Longlong Wang

at Hebei Univ.

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Author

Publications (3)

Proceedings Article | 9 November 2018 Paper

Study of coherence effects in an inverted Y-type four-level system

Yafang Shi, Lin Liu, Wenguang Zhou, Jialei Liu, Longlong Wang, Xiaoxian Yuan, Xiaohui Zhao, Xiaoli Li, Ying Wang

Proceedings Volume 10825, 108251I (2018) https://doi.org/10.1117/12.2502603

KEYWORDS: Absorption, Microwave radiation, Transparency, Lithium, Physical sciences, Optical switching, Complex systems, Nonlinear optics, Luminescence, Quenching (fluorescence)

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Proceedings Article | 25 October 2018 Paper

Raman spectroscopic characterization of interlayer coupling in twisted (2+2) and (3+3) layered graphenes

Longlong Wang, Wenguang Zhou, Yafang Shi, Lin Liu, Xianhua Bai, Baolai Liang, Xiaoli Li, Xiaohui Zhao

Proceedings Volume 10823, 108230O (2018) https://doi.org/10.1117/12.2502596

KEYWORDS: Raman spectroscopy, Graphene, Phonons, Spectroscopy, Interfaces, Carbon, Micro raman spectroscopy, Physics, Chemical species, Lithium

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Proceedings Article | 12 January 2018 Paper

Layer-number dependent reflection spectra of WS2 and WSe2 flakes on SiO2/Si substrate

Xiaoli Li, Xiaofen Qiao, Longlong Wang, Yafang Shi, Weifeng Zhang

Proceedings Volume 10621, 106210J (2018) https://doi.org/10.1117/12.2295111

KEYWORDS: Reflectivity, Absorption, Crystals, Electronics, Excitons, Optical properties, Transition metals

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