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System and method for measuring radiation waveform of terahertz pulse radiator

A technology of terahertz pulse and measurement system, which is applied in the field of measurement system of radiation waveform of terahertz pulse radiator, can solve the problem that the radiation waveform of terahertz pulse radiator cannot be accurately measured, and achieves high accuracy, wide bandwidth and dynamic range. big effect

Pending Publication Date: 2020-11-06
BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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Problems solved by technology

[0004] The purpose of the present invention is to provide a measurement system and method for measuring radiation waveforms of terahertz pulsed radiators, to solve the problem that the current radiation waveforms of terahertz pulsed radiators cannot be accurately measured, and to improve measurement accuracy

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  • System and method for measuring radiation waveform of terahertz pulse radiator
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  • System and method for measuring radiation waveform of terahertz pulse radiator

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[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0024] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...

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Abstract

The invention discloses a system and method for measuring the radiation waveform of a terahertz pulse radiator, which relate to the technical field of radiation wave measurement, and aim to solve theproblem that a conventional radiation waveform measurement method cannot meet the measurement requirements of the radiation waveform of the terahertz pulse radiator. The device comprises a laser repetition frequency locking module for locking the output repetition frequency of a master fiber femtosecond laser and a slave fiber femtosecond laser according to a time base reference signal, and sending the repetition frequency difference as a trigger signal to acquisition equipment, a synchronization module which synchronizes the output signal to the repetition frequency of the slave fiber femtosecond laser and provides a trigger signal for the tested terahertz pulse radiator, so that the repetition frequency of the radiation pulse of the tested terahertz pulse radiator is the same as the repetition frequency of the trigger signal, a terahertz detector which generates photon-generated carriers under the excitation of the master fiber femtosecond laser and generates current under the actionof the terahertz pulse of the measured radiation, and acquisition equipment which is used for acquiring the current signal output by the terahertz detector.

Description

technical field [0001] The invention relates to the technical field of radiation wave measurement, in particular to a measurement system and a measurement method for the radiation waveform of a terahertz pulse radiator. Background technique [0002] The pulse radiator is a generator that radiates pulse signals to space through its own integrated antenna, and is widely used in pulse wireless synchronization, pulse radar, pulse imaging and other fields. In order to optimize the design of the pulsed radiator, improve its performance, and ensure its application, it is necessary to accurately measure the performance of the pulsed radiator. The key performance indicators of the pulse radiator mainly include pulse amplitude, rise time, half-width, bandwidth, etc. In order to accurately measure these indicators, it is necessary to accurately measure the pulse signal waveform radiated by the pulse radiator. Therefore, the measurement of the pulse radiator radiation waveform is very ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R13/00G01M11/02
CPCG01R13/00G01M11/02
Inventor 龚鹏伟谢文刘爽谌贝姜河
Owner BEIJING INST OF RADIO METROLOGY & MEASUREMENT
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