20 February 2017 Super narrow beam shaping system for remote power supply at long atmospheric paths
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Abstract
Wireless power transmission technology based on high power diode and fiber lasers have a high potential for Earth and space applications. Narrow infrared laser beam can deliver up to 1 kW of electrical power to a photoelectric receiver with dimensions 10-20 cm at distance 1-10 km. To achieve high efficiency it is necessary to fit the beam to the dimension of receiver moving with angular velocity in range 0.5-3 /sec in all range of distance. Thus beam shaping system has to provide fast control of shape, dimensions and position of the beam with high accuracy in condition of atmosphere which distorts the beam. The description and results of the experimental testing of optical system corresponding to the declared characteristics is submitted.
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I. S. Matsak, V. V. Kapranov, V. Yu. Tugaenko, E. S. Sergeev, E. A. Babanin, N. A. Suhareva, "Super narrow beam shaping system for remote power supply at long atmospheric paths", Proc. SPIE 10090, Laser Resonators, Microresonators, and Beam Control XIX, 100900U (20 February 2017); doi: 10.1117/12.2250752; https://doi.org/10.1117/12.2250752
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