Laser radar optical system and aberration compensation method thereof
An optical system and lidar technology, applied in radio wave measurement systems, electromagnetic wave re-radiation, utilization of re-radiation, etc. problem, to achieve the effect of low cost
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0032] This embodiment 1 provides a laser radar optical system, including: a transceiving objective lens device and a ring-shaped hood 1 that is arranged outside the transceiving objective lens device; and a cylindrical compensation plate 2 is provided on one side of the transceiving objective lens device to Compensate the aberration of the ring-shaped hood 1 to the transmitting and receiving objective lens device.
[0033] In this embodiment, the transmitting and receiving objective lens device includes: a transmitting objective lens group 3 and a receiving objective lens group 4 arranged symmetrically; and the cylindrical compensation plate 2 is a rectangular cylindrical compensation plate or a circular cylindrical compensation plate or a square column Surface compensation board.
[0034] In this embodiment, the cylindrical compensation plate 2 can be a single piece, or it can be divided into two pieces.
Embodiment approach
[0036] Such as figure 1 As shown, the cylindrical compensation plate 2 is located on the side of the transmitting objective lens group 3 and the receiving objective lens group 4 close to the annular hood 1, and the inner arc side of the cylindrical compensation plate 2 faces the transmitting objective lens group 3 and the receiving objective lens group 4. .
[0037] When the cylindrical compensation plate 2 is a whole piece, as another implementation of the cylindrical compensation plate 2:
[0038] The cylindrical compensation plate 2 is located on the side of the transmitting objective lens group 3 and the receiving objective lens group 4 far away from the annular light shield 1, and the outer arc side of the cylindrical compensation plate 2 faces the transmitting objective lens group 3 and the receiving objective lens group 4.
[0039] When there are two cylindrical compensation plates 2, it is used as an embodiment of the cylindrical compensation plate 2:
[0040] Such as figure ...
Embodiment 2
[0055] On the basis of embodiment 1, this embodiment 2 provides an aberration compensation method for a lidar optical system, which includes: arranging a cylindrical compensation plate on one side of the transmitting and receiving lens device, and compensating the ring hood for the transmitting and receiving lens The aberration of the device.
[0056] Specifically, the specific structure and compensation principle of the cylindrical compensation plate of the laser radar optical system can refer to the description of Embodiment 1, and will not be repeated here.
[0057] In summary, the lidar optical system of the present application compensates for the astigmatism of the meridian surface caused by the annular hood by setting a cylindrical compensation plate. The transmitting objective lens group and the receiving objective lens group only need to use ordinary spherical lenses instead of high Order aspheric surface or a combination of aspheric surface and cylindrical lens can realize...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com