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Multilens integration component for low temperature application

A low-temperature application, multi-lens technology, applied in optical components, installation, optics, etc., can solve the problems of difficult to guarantee assembly accuracy, large workload of multi-lens assembly, etc., to achieve high assembly efficiency, prevent optical crosstalk, and implement simple effects.

Pending Publication Date: 2019-01-22
SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Solve the problem that the multi-lens assembly workload is heavy and the assembly accuracy is difficult to guarantee

Method used

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  • Multilens integration component for low temperature application
  • Multilens integration component for low temperature application

Examples

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Embodiment Construction

[0014] The present invention provides a specific application example of a multi-lens integrated assembly for low temperature applications, see figure 1 , figure 2 , including lens group array 1, horizontal positioning sheet 2, spacer block 3, lens holder 4 and other parts. The material of the lens group is germanium, and the array size is 3×3. In order to match the expansion coefficient of germanium, the horizontal positioning plate 2, spacer block 3, and lens holder 4 are all processed by Kovar alloy, and the outer surface is blackened. The horizontal positioning sheet 2 is a thin sheet with a thickness of 0.1 mm. It is processed once by chemical etching to ensure the machining accuracy of the aperture and the holes. The horizontal positioning sheet 2 is provided with lens positioning holes 6 arranged in a 3×3 array. The arrangement rules are consistent with the arrangement rules of the lens array, the diameter of each lens positioning hole 6 is 0.02mm larger than the corre...

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Abstract

The invention discloses a multilens integration component for low temperature application, comprising parts such as a lens group array, a horizontal locating piece, an isolation block and a lens support. The horizontal locating piece is mounted on the isolation block, the isolation block is mounted on the lens support, and a lens array passes through the horizontal locating piece and the isolationblock and is mounted on the lens support. Horizontal mounting accuracy of a lens group is guaranteed by virtue of the horizontal locating piece, and axial mounting accuracy of the lens group is guaranteed by virtue of planeness of a lens mounting surface of the lens support. The support is simple in structure, the lens group is easy to mount, and location accuracy is high, so that the multilens integration component disclosed by the invention is applicable to assembly of a lens group applied at room temperature and low temperature.

Description

technical field [0001] The invention relates to a multi-lens integrated assembly, in particular to an integrated multi-lens array assembly for low temperature applications, and is especially suitable for high-precision assembly occasions of high-density lens arrays. Background technique [0002] Multi-lens integration has a wide range of application requirements in the fields of LED light sources, multi-channel detector components, etc., especially for infrared detectors, whose working environment must be low temperature, and structural design and material selection must be considered in multi-lens integration. The temperature stress introduced to the lens, or the low temperature deformation caused. In addition, when the multi-channel detector is working, each channel needs to be isolated to reduce the mutual interference between the channels. [0003] Multi-lens fixing bracket structure, application number: 200620057030.7, provides a multi-lens fixing bracket for fixing LE...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/02
CPCG02B7/021G02B7/025
Inventor 莫德锋汪洋张珏颖刘大福吴家荣徐琳
Owner SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
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