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Adjusting device and adjusting method for coaxiality of transmitting system and receiving system of paraxial laser radar system

A laser radar and receiving system technology, applied in radio wave measurement systems, instruments, etc., can solve problems such as cumbersome coaxial adjustment steps, achieve the effect of improving efficiency and consistency, and simplifying coaxial adjustment steps

Pending Publication Date: 2021-04-02
中科元光(嘉兴)激光科技有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The present invention aims to solve the cumbersome coaxial adjustment steps of the laser emitting and receiving systems of the existing paraxial laser radar system, and it is difficult to achieve a satisfactory level of laser receiving signal energy at short distances and long distances. The present invention proposes a side-axis The coaxial adjustment device and adjustment method of the laser radar system transmitting and receiving system can shorten the repeated adjustment steps to one adjustment, greatly improving work efficiency and improving the efficiency and consistency of mass production

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  • Adjusting device and adjusting method for coaxiality of transmitting system and receiving system of paraxial laser radar system
  • Adjusting device and adjusting method for coaxiality of transmitting system and receiving system of paraxial laser radar system
  • Adjusting device and adjusting method for coaxiality of transmitting system and receiving system of paraxial laser radar system

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereto.

[0021] see first figure 1 , figure 2 , figure 1 It is a structural schematic diagram of the coaxial adjustment device of the transmitting and receiving system of the paraxial laser radar system of the present invention, and the absorbing optical attenuation sheet is in an open state; figure 2 This is the state where the absorbing optical attenuation sheet is closed. It can be seen from the figure that the coaxial adjustment device of the paraxial laser radar system and the receiving system of the present invention includes: a fixed base 4, an absorbing optical attenuation sheet 3, a folding structure 2, and a black diffuse reflection cloth 5. The structure 2 is arranged in front of the fixed base 4. The turning structure 2 is a structure that can be rotated 90 degree...

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Abstract

The invention discloses an adjusting device and an adjusting method for coaxiality of a transmitting system and a receiving system of a paraxial laser radar system, the device comprises a fixed base,an absorption type optical attenuation sheet, a turning structure and black diffuse reflection cloth, repeated adjusting steps can be shortened to one-time adjustment, the working efficiency is greatly improved, and the efficiency and consistency of batch production are improved.

Description

technical field [0001] The invention relates to a laser radar, in particular to a coaxial adjustment device and method for a side-axis laser radar system transmitting and receiving system. Background technique [0002] Depending on the layout of the laser radar's transmitting and receiving optical paths, the coaxial arrangement of the transmitting and receiving optical paths is called a coaxial optical system. The advantage of this optical path is that the energy and distance of the laser radar receiving system are inversely proportional to the distance. The disadvantage is that the receiving optical system It is easy to receive stray light interference from nearby diffuse reflection, and the transmitting light path will occupy a part of the receiving aperture. Correspondingly, the transmitting and receiving optical paths are arranged on two parallel lines, and the optical axes of the two are not coincident but parallel. It is called a paraxial optical system, which solves t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/481
CPCG01S7/4812
Inventor 沈琳峰谢斌斌郭颖潘康炎冯遇春朱志伟费小云翟晓斌杜玉峰
Owner 中科元光(嘉兴)激光科技有限公司