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A sunlight superachromatic collection optical system

An optical system and achromatic technology, which is applied in the field of optics, can solve the problems that cannot meet the requirements of 400-850nm achromatic aberration, and achieve the effect of reducing the difficulty of assembly and adjustment and simple processing technology

Inactive Publication Date: 2017-06-16
CHANGCHUN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Overseas research on superachromatic has applied for the patent "Superachromatic UV and visible focusing objective lens (patent number: US005305138A)", and the achromatization of ultraviolet and visible bands cannot meet the achromatic requirements of 400-850nm

Method used

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  • A sunlight superachromatic collection optical system
  • A sunlight superachromatic collection optical system

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Embodiment 1

[0015] Embodiment 1 A sunlight superachromatic collection optical system.

[0016] as attached figure 1 As shown, the described a kind of sunlight superachromatic collecting optical system is made up of the first lens 1, the second lens 2, the third lens 3 and the fourth lens 4; the described a kind of sunlight superachromatic collecting optical system There are only four spherical lenses with focal power: the first lens (1), the second lens (2), the third lens (3) and the fourth lens (4); the first lens 1 and the second lens 2 are glued together with epoxy resin glue, and the third lens 3 and the fourth lens 4 are glued together with epoxy resin glue; the first lens 1, the second lens 2, the third lens 3 and the fourth lens 4 are sequentially arranged on On the same horizontal optical axis, the structure is simple, which is beneficial to processing and assembly.

[0017] The first lens 1 is a positive lens, made of N-FK56 glass, its front and rear surface curvature radii ar...

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Abstract

The invention provides a sunlight superachromatic collection optical system, comprising a first lens (1), a second lens (2), a third lens (3) and a fourth lens (4), the first lens (1) and The second lens (2) is glued together, the third lens (3) and the fourth lens (4) are glued together, the first lens (1), the second lens (2), the third lens (3) and the fourth lens The lenses (4) are sequentially arranged on the same horizontal optical axis. The optical system consists of four spherical lenses to achieve super-achromatization in the 400nm‑850nm band. The system is used in a sunlight collection system, which can improve collection efficiency.

Description

technical field [0001] The invention relates to a sunlight superachromatic collection optical system, which belongs to the field of optical technology. Background technique [0002] In recent years, with the development of new energy sources, solar energy, as a clean, efficient and inexhaustible new energy source, has become an important part of the sustainable development strategies of governments. Existing optical systems for collecting sunlight include Fresnel lenses, spherical mirror arrays, aspheric mirrors, etc. However, due to the wide spectral range of sunlight, the chromatic aberration of the system is relatively large, resulting in large focusing spots. [0003] To solve this problem, optical systems for broadband applications need to be superachromatic. Overseas research on superachromatism has applied for the patent "Superachromatic UV and visible focusing objective lens (patent number: US005305138A)", and the achromatization of ultraviolet and visible bands can...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B19/00
CPCG02B19/0004
Inventor 王菲李玉瑶邢鹏岳罗宽李楚钟张影裴宪梓田明车英付秀华张国玉
Owner CHANGCHUN UNIV OF SCI & TECH