Image space scanning optical system based on curved prism

A curved prism and optical system technology, applied in the field of image scanning optical system, can solve the problems of large size and complex structure, and achieve the effect of increasing the system field of view and improving the scanning field of view

Inactive Publication Date: 2021-03-16
哈尔滨新光光电科技股份有限公司
View PDF7 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] An object of the present invention is to solve the defects that the optical system in the prior art often has a complex structure and a large size when meeting the requirements of a large field of view and a large detection distance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Image space scanning optical system based on curved prism
  • Image space scanning optical system based on curved prism
  • Image space scanning optical system based on curved prism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The structure diagram of this embodiment is as follows figure 1 As shown, the curved prism is right-angled and can bend the light path by 90°; and the curved prism is Keplerian type, such as figure 2 As shown, both the incident surface and the exit surface are convex. The system of this embodiment is set in the infrared seeker and used as an image square scanning system. By controlling the movement of the oscillating mirror, the light of different fields of view is transmitted into the imaging optical system, and finally focused on the image plane.

[0038] from figure 1 It can be seen from the figure that the most prominent effect of this embodiment is that it saves the space occupied by the image square scanning system and contributes to the miniaturization of the infrared seeker. If you don’t use a curved prism, you need to set up a telescope group to achieve parallel light input-parallel light output, and a mirror for refraction. In this example, the curved pris...

Embodiment 2

[0040] The difference between this embodiment and Embodiment 1 is that the curved prism is of Galilean type, the incident surface is convex, and the outgoing surface is concave, such as image 3 shown.

Embodiment 3

[0042] The difference between this embodiment and Embodiments 1 and 2 is that the curved prism is of Galilean type, the incident surface is concave, and the outgoing surface is convex, such as Figure 4 shown.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to an image space scanning optical system based on a curved prism, which is used for solving the defects of complex structure and large size of an optical system in the prior artwhen the optical system meets the requirements of a large field of view and a large detection distance. The system comprises a telescopic structure, a swing mirror, an imaging optical lens group anda detector which are arranged along an optical path, wherein the telescopic structure is a curved prism; the curved prism can turn back the optical path, and light entering and exiting the curved prism is parallel light; and the swing mirror is used for realizing image space scanning through rotation, and imaging the detector through the imaging optical lens group. One application of the inventionis infrared imaging guidance.

Description

technical field [0001] The invention relates to the field of image-side scanning optical systems, in particular to an image-side scanning optical system based on a curved prism. Background technique [0002] The optical system is divided into scanning type and non-scanning type according to the scanning mechanism. Affected by aberrations and materials, non-scanning infrared optical systems generally cannot meet the requirements of large field of view and large detection distance at the same time. Systems that meet these two requirements are often complex in structure and large in size. Therefore, a new image-space scanning optical system is needed to solve the defects of the prior art. Contents of the invention [0003] An object of the present invention is to solve the defect that the optical system in the prior art often has a complex structure and a large size when meeting the requirements of a large field of view and a large detection distance. [0004] According to ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): G02B26/10G02B13/00G02B13/02
CPCG02B26/105G02B13/007G02B13/02
Inventor 杨克君宇太坤
Owner 哈尔滨新光光电科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap