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Laser radar transmitting system and corresponding receiving system thereof

A launch system, laser radar technology, applied in the field of optics, to achieve the effect of satisfying the total length of the system, small working distance and low cost

Pending Publication Date: 2022-05-27
SHENZHEN METALENX TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in order to ensure the optical performance of the laser radar, the existing laser radar transmitting system and receiving system need at least four sets of refractive lenses, which also leads to a bottleneck in how to compress the total system length of the laser radar transmitting system and receiving system

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  • Laser radar transmitting system and corresponding receiving system thereof
  • Laser radar transmitting system and corresponding receiving system thereof
  • Laser radar transmitting system and corresponding receiving system thereof

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Embodiment Construction

[0087] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the related drawings. Preferred embodiments of the present application are shown in the accompanying drawings. However, the application may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. Also, in the drawings, the thicknesses, ratios and sizes of components are exaggerated for clarity of explanation.

[0088] It should be noted that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element, or intervening elements may also be present. The terms "installed," "one end," "the other end," and similar expressions used herein are for illustrative purposes only.

[0089] Unless otherwise defined, all technical an...

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Abstract

The invention provides a laser radar transmitting system and a corresponding receiving system thereof, and belongs to the technical field of optics. The laser radar transmitting system comprises a first lens, a second lens, a third lens and a light source. Wherein the first lens, the second lens and the third lens are coaxial and are sequentially arranged on the light emitting side of the light source; at least one of the first lens, the second lens and the third lens is a super lens; the surface of the super lens is provided with nano structures which are arranged periodically, and the characteristic size of the nano structures is the sub-wavelength size. The principle of the laser radar receiving system provided by the embodiment of the invention is similar to that of a transmitting system. According to the laser radar transmitting system and the corresponding receiving system thereof, at least one super lens is adopted, so that the number of lenses of the laser radar transmitting system and the corresponding receiving system thereof is reduced, the total length and the working distance of the system are reduced, and miniaturization and light weight of the laser radar are promoted.

Description

technical field [0001] The present invention relates to the field of optical technology, and in particular, to a laser radar transmitting system and its corresponding receiving system. Background technique [0002] Laser radar (Lidar, Laser Detecting and Ranging) is a radar system that emits laser beams to detect the position, velocity and other characteristic quantities of targets. Generally, LiDAR includes a transmitting system, a receiving system, an information processing system and a scanning system. Among them, the laser radar transmitting system includes an optical system and a light source composed of multiple groups of refractive lenses. [0003] In order to reduce the volume of the lidar, it is necessary to suppress the total system length (TTL, Total Track Length) and working distance of the lidar transmitting system and receiving system as much as possible. The total system length of the lidar transmitting system refers to the distance from the center of the la...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/484G01S7/4861G01S7/4863G01S7/4911G01S7/4913G01S7/4914G01S7/481G01S7/495
CPCG01S7/484G01S7/4861G01S7/4863G01S7/4911G01S7/4913G01S7/4914G01S7/4811G01S7/4814G01S7/4816G01S7/495
Inventor 郝成龙谭凤泽朱瑞朱健
Owner SHENZHEN METALENX TECH CO LTD
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