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Laser radar composite view window and preparation process thereof

A technology of laser radar and preparation process, which is applied in the field of composite optical windows, can solve the problems of difficult long-term use of radar protection windows, insufficient surface strength, and easy breakage, so as to improve the transmission of infrared and visible light, improve mechanical strength and toughness, The effect of surface hardness and scratch resistance

Inactive Publication Date: 2021-08-20
福建富兰光学股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The infrared plastic solution has the following defects: insufficient surface strength, easy to be scratched by foreign objects, large optical distortion, affecting optical performance, resulting in insufficient detection accuracy
The black glass solution has the following defects: poor impact resistance, easy to break, high manufacturing cost, not environmentally friendly
When the lidar is used outdoors or in harsh indoor environments (for example: places with a lot of dust and low-temperature freezing places, etc.), the existing radar protection window is difficult to meet the long-term use requirements

Method used

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  • Laser radar composite view window and preparation process thereof
  • Laser radar composite view window and preparation process thereof
  • Laser radar composite view window and preparation process thereof

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] see Figure 1 to Figure 4 As shown, the present invention provides an embodiment: a lidar composite window, including a first optical glass 1, and the outer surface of the first optical glass 1 is provided with a first AR visible light infrared anti-reflection film 2 from the inside to the outside and the AF super-hydrophobic film 3, the inner surface of the first optical glass 1 is sequentially provided with a heating element, a first optical glue 4, a plastic 5 and a second AR visible infrared anti-reflection film 6 from the inside to the outside. Through the effect of composite lamination, the first AR visible light infrared anti-reflection film 2 and the second AR visible light infrared anti-reflection film 6 can be passed through. At the same time, infrared plastics are used to absorb visible light, so that the lidar protective window does not reflect light...

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Abstract

The invention provides a laser radar composite view window and a preparation process thereof. A first AR visible light infrared antireflection film and an AF super-hydrophobic film are pasted on the outer surface of first optical glass from inside to outside, and a heating piece, first optical cement, plastic and a second AR visible light infrared antireflection film are sequentially arranged on the inner surface of the first optical glass from inside to outside. The laser radar composite view window has the advantages of low reflectivity, high infrared transmission, good optical performance and strong mechanical performance.

Description

technical field [0001] The invention relates to the technical field of composite optical windows, in particular to a laser radar composite window and a preparation process thereof. Background technique [0002] Lidar is mainly used for object signal detection, and is widely used in robotics, unmanned driving, AR / VR, 3D printing and other industries. As one of the components of the laser radar, the infrared lidar protective window is generally on the outermost layer of the laser radar. It mainly protects the internal components of the laser radar from the external environment and participates in optical imaging. It is an important optical component of the laser radar. . The existing lidar protective window is made of pure infrared transparent material, generally infrared plastic or black glass. The infrared plastic solution has the following defects: insufficient surface strength, easy to be scratched by foreign objects, large optical distortion, affecting optical performan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B1/11G02B1/18G01S7/481
CPCG02B1/11G02B1/18G01S7/481
Inventor 潘敏忠陈宇光魏孝典章学堤许德
Owner 福建富兰光学股份有限公司
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