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Method for multiplying super-broadband electromagnetic impulse radiation and system therefor

An electromagnetic pulse and radiation system technology, applied in radio transmission systems, radio wave measurement systems, transmission systems, etc., can solve problems such as poor practical performance, large system volume, and complicated implementation methods, and achieve compact structure and integration High and consistent effect

Inactive Publication Date: 2006-11-01
陕西光电子先导院科技有限公司
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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for multiplying ultra-broadband electromagnetic pulse radiation and a system for realizing the method, which solves the technical problems of complex implementation methods, poor output stability, poor practical performance, and large system volume in the background technology

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  • Method for multiplying super-broadband electromagnetic impulse radiation and system therefor
  • Method for multiplying super-broadband electromagnetic impulse radiation and system therefor

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Embodiment Construction

[0040] Using ultra-short laser pulses to trigger photoconductive switches to generate ultra-broadband electromagnetic pulses is an effective method to obtain ultra-broadband electromagnetic pulses. This method has outstanding advantages in both power and bandwidth of electromagnetic pulses. The invention utilizes ultrashort laser pulses to trigger photoconductive switches to generate ultrabroadband electromagnetic pulses. The working principle of the photoconductive switch mainly utilizes the photoconductive effect of the semiconductor material. The photoconductive switch with bias voltage is triggered by ultrashort laser pulse, so that non-equilibrium carriers are generated inside the material, and the conductivity of the semiconductor material is increased instantaneously. After the light disappears, the switch is closed, and the photogenerated carriers are quickly recombined, then The photoconductive switch outputs ultrashort electrical pulses. The amplitude of the ultrash...

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Abstract

A method for multiplying super wide band electromagnetic pulse radiation includes generating multipath super short layer pulse by super short pulse laser and outputting them to light guide switch array then coupling them to light guide switch with offset voltage, outputting multipath super short electric pulse by said switch array then sending them to super wide band antenna array, converting super short electric pulse to be super wide band electromagnetic pulse radiation, carrying out space coherent synthesis on said electromagnetic pulse emitted by said antenna to form multiplication electromagnetic pulse radiation.

Description

technical field [0001] The invention belongs to the technical field of ultra-broadband electromagnetic pulse radiation generation, and uses an array structure to realize high-power ultra-broadband electromagnetic pulse radiation, which can be used in ultra-broadband radar and electronic countermeasure technology. The invention specifically relates to a method for arraying ultra-broadband electromagnetic pulse radiation multiplication using ultra-short light pulses to trigger photoconductive switches and a system for realizing the method. Background technique [0002] UWB electromagnetic pulses usually refer to electromagnetic waves whose bandwidth to center frequency ratio is greater than 25%, and in the time domain, the pulse width can reach picoseconds (10 -12 The narrow pulse of the order of seconds) has an extremely wide frequency band of the order of GHz or even THz in the frequency domain. Ultra-wideband electromagnetic pulses are widely used in many fields. The uniqu...

Claims

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Application Information

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IPC IPC(8): G01S7/02G01S7/282H01Q21/00H04B7/00
Inventor 阮驰赵卫朱少岚陈国夫王屹山刘红军
Owner 陕西光电子先导院科技有限公司
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