Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Zhenmin Shen"'
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 19:1-5
Publikováno v:
Optics Express. 31:14726
We generate a macro-pulsed chaotic laser based on pulse-modulated laser diode subject to free space optical feedback, and demonstrate the performance of suppressing backscattering interference and jamming in turbid water. The macro-pulsed chaotic las
Autor:
Yuncai Wang, Weidong Shang, Yongchao Zheng, Tong Zhao, Guoqing Zhou, Bingjie Wang, Zhiwen Guo, Zhenmin Shen
Publikováno v:
Journal of Russian Laser Research. 42:66-74
We describe a novel chaotic macropulse green laser designed employing the pulse modulation of a 520 nm laser diode with optical feedback. We analyze the characteristics of these chaotic macropulses, in view of effects of the feedback intensity, injec
Publikováno v:
Journal of Russian Laser Research. 41:399-405
We present a chaotic lidar for underwater ranging and three-dimension (3D) imaging applications. The lidar transmitter based on a laser diode with free space optical feedback is designed to generate 520 nm wavelength wideband chaotic signal. This tra
Publikováno v:
Journal of Russian Laser Research. 40:259-264
We designed a compact and efficient high-power laser that generates chaotic green light by perturbing a 520 nm laser diode with optical feedback. This achieved a continuous output power of 30 mW with a bandwidth of more than 1 GHz and an electrical-t
Autor:
Wu Zhiqiang, Song Yang, Zhang Jinghao, Jing Xu, Shixiang Cao, Xuling Lin, Shang Weidong, Sun Qian, Zheng Yongchao, Zhenmin Shen
Publikováno v:
Seventh Symposium on Novel Photoelectronic Detection Technology and Applications.
Airborne laser bathymetric system has great advantages in shallow sea bathymetric mapping due to its no blind area, high accuracy and high density data. By using Monte Carlo method and radiation-transport equation, the spatial distribution of the sig
Publikováno v:
Optics and Lasers in Engineering
Optics and Lasers in Engineering, 2018, 105, pp.1-5. ⟨10.1016/j.optlaseng.2017.12.007⟩
Optics and Lasers in Engineering, Elsevier, 2018, 105, pp.1-5. ⟨10.1016/j.optlaseng.2017.12.007⟩
Optics and Lasers in Engineering, 2018, 105, pp.1-5. ⟨10.1016/j.optlaseng.2017.12.007⟩
Optics and Lasers in Engineering, Elsevier, 2018, 105, pp.1-5. ⟨10.1016/j.optlaseng.2017.12.007⟩
International audience; A novel image encryption method is proposed by using the expanded fractional Fourier transform, which is implemented with a pair of lenses. Here the centers of two lenses are separated at the cross section of axis in optical s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d104c7a84161b848e48e4c5fc5f5a4b6
https://hal-univ-evry.archives-ouvertes.fr/hal-01676944
https://hal-univ-evry.archives-ouvertes.fr/hal-01676944
Publikováno v:
Optics Communications. 333:139-145
The visible light communication (VLC) based on RGB white LED can obtain high communication rate, because the RGB white LED light source has a wide bandwidth by modulating each color respectively. The receiver optical end of the VLC system based on RG
Publikováno v:
Optik. 125:5884-5887
We built an atmosphere dispersion model of femtosecond laser pulses that can calculate temporal pulse width travelling in air. The initial pulse duration of 100 fs can be broadened to 60 ps when propagating 200 km in the atmosphere. An experimental s
Autor:
Lining Cao, Chao Zhang, Li Shao, Weida Li, Jianfeng Lu, Zhenmin Shen, Shaorong Gao, Lulu Gong
Publikováno v:
Advanced Materials. 30:1705684
Neuron regeneration from pluripotent stem cells (PSCs) differentiation or somatic cells trans-differentiation is a promising approach for cell replacement in neurodegenerative diseases and provides a powerful tool for investigating neural development