Environment self-adaptive 'laser sheath' auxiliary laser communication device and method based on wavefront phase modulation
A technology of wavefront phase and auxiliary laser, which is applied in the direction of free space transmission, electromagnetic wave transmission system, electrical components, etc., can solve the problems of auxiliary performance degradation and failure, and achieve the effect of fast modulation
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[0023] The present invention will be described in detail below in conjunction with the accompanying drawings. The invention realizes the reconstruction of the spatial distribution of the "laser sheath" through the phase modulation of the pulsed light wavefront and the beam shaping method, and realizes the function of the "laser sheath" to self-adapt and assist laser communication in a strong turbulence environment. Such as figure 1, an environment-adaptive "laser sheath" auxiliary optical communication device and method based on wavefront phase modulation proposed by the present invention, comprising: an ultrashort pulse laser 1, a first convex lens 2, a second convex lens 3, an aperture 4, and Polarizer 5, beam splitter 6, wavefront phase modulator 7, variable magnification beam expander 8, laser communication transmitter 9, third convex lens 10, fourth convex lens 11, dichroic mirror 12, zoom lens module 13 , Optical filter 14, laser communication receiver 15, computer 16. ...
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