EPJ Web Conf.
Volume 176, 2018The 28th International Laser Radar Conference (ILRC 28)
|Number of page(s)||4|
|Section||Synergy of lidars and other sensors|
|Published online||13 April 2018|
Lidar transmitter offers “non-diffracting” property through short distance in highly-dense random media
Chiba University 1-33 Yayoi-cho, Inage-ku, Chiba-shi, Chiba 263-8522 JAPAN
Published online: 13 April 2018
Non-diffracting beam (NDB) is useful in lidar transmitter because of its high propagation efficiency and high resolution. We aimed to generate NDB in random media such as haze and cloud. The laboratory experiment was conducted with diluted processed milk (fat: 1.8%, 1.1μmφ). Narrow view angle detector of 5.5mrad was used to detect the forward scattering waveform. We obtained the central peak of NDB at the propagation distance of 5cm ~ 30cm in random media by adjusting the concentration of <10%.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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