公开(公告)号：US20240219532A1

公开(公告)日：2024-07-04

申请号：US18401295

申请日：2023-12-29

Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Teng TAN ,  Bing CHANG ,  Baicheng YAO ,  Xinyue HE ,  Zihan LIU

IPC: G01S7/4865 ,  G01S7/481 ,  G01S7/484 ,  G01S17/10

CPC classification number: G01S7/4865 ,  G01S7/4815 ,  G01S7/484 ,  G01S17/10

Abstract: The embodiments of the present disclosure provide a ranging system of a dual optical frequency comb time-of-flight manner based on dispersive Fourier transform. The embodiment of the present disclosure introduces a dispersive Fourier transform technology into a conventional dual optical frequency comb system, which amplifies a stray relationship of a pulse time domain using a dispersion element and obtains a precise position relationship of three pulses directly through interfering fringe information. Therefore, the “dead zone” in the conventional dual optical frequency comb ranging system is eliminated, and the ranging accuracy of the system is greatly improved, and a repetition frequency difference of the dual optical frequency combs can be increased to a magnitude of MHz, which greatly improves the ranging speed. The ranging system has advantages of a large measurement range, a high measurement accuracy, and a high measurement speed.