Auxiliary adjustment device for optical lenses

An optical lens and adjustment technology, applied in the field of optical systems, can solve the problems of inability to measure the eccentricity of the mirror surface, the measurement range, the measurement accuracy is not high enough, and the measurement accuracy is low, so as to solve the problem that the measurement accuracy and the measurement range of the mirror curvature radius cannot be taken into account , High mirror eccentricity measurement accuracy, the effect of simplifying the assembly and adjustment process

Inactive Publication Date: 2014-08-27
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Description
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of the low accuracy and high cost of detecting the center deviation of the optical lens and the distance between the lenses in the prior art; and the measurement accuracy of the existing equipment for measuring the center deviation of the optical lens is not high enough, or cannot measure a large radius of curvature There are technical problems of blind spots in the mirror surface eccentricity and measurement range, and an optical lens auxiliary assembly and adjustment device and method are provided

Method used

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  • Auxiliary adjustment device for optical lenses
  • Auxiliary adjustment device for optical lenses
  • Auxiliary adjustment device for optical lenses

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Embodiment

[0122] The optical lighting module 11 includes a light source 111 , a frosted glass 112 and a crosshair target 113 . The light source 111 is a high-brightness LED with a power of 3W; the line width of the crosshair target 113 is 25 μm, the crosshairs are light-transmissive, and other parts are opaque; In the range of 400-700nm, the transmission and reflection ratio of the beam splitter is 50%:50%, and the side length of the prism is 30mm; the collimator group 13 is composed of two doublet lenses, and the focal length is 240mm. It is the surface of the reticle target 113, its focusing stroke is 48mm, and the focus range of the reticle is -∞~-1200mm and +1200mm~+∞; the focusing lens group 14 is a doublet lens, used for measuring optical When the lens is eccentric, it is necessary to switch the focusing lens group 4, and its focal lengths are: -1200mm, -800mm, -400mm, 400mm, 800mm, 1200mm; the first photodetector 15 adopts a high-sensitivity area array CCD to generate a black and...

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Abstract

The invention relates to an auxiliary adjustment device for optical lenses and belongs to the field of optical systems. The auxiliary adjustment device for optical lenses solves the technical problems that as the center deviation and the lens interval of optical lenses are detected separately in the prior art, the measurement accuracy is low and cost is high. The auxiliary adjustment device for optical lenses comprises a center deviation measurement module, a lens interval measurement module, a reflector, a linear guide rail, a precision turn table, a mechanical adjustment platform and a main control computer, wherein the center deviation measurement module comprises an optical lighting module, a beam splitter, a collimating lens set, a focus lens set, a photoelectric detector and a linear displacement sensor. The auxiliary adjustment device for optical lenses integrates the center deviation measurement function and the lens interval measurement function for optical lenses, not only is the manufacturing cost low, but also it is ensured that the same reference axis is adopted in the adjustment process of optical lenses, the adjustment accuracy of optical lenses can be improved, the adjustment process of optical lenses is simplified, and consequently the adjustment efficiency of optical lenses is improved.

Description

technical field [0001] The invention relates to an auxiliary optical lens assembly and adjustment device, which belongs to the field of optical systems. Background technique [0002] Optical systems have been widely used in various fields such as national defense and military, industrial production, and daily life. In many applications, the performance requirements of optical systems are getting higher and higher. In order to achieve high performance, the optical lens is required to have high adjustment accuracy, and the adjustment process is strictly controllable to ensure the consistency of optical system performance. During the assembly and adjustment of optical lenses, the eccentricity of optical lenses and the air space between optical lenses must be accurately measured. [0003] In the prior art, there are devices for measuring the center deviation and lens spacing of optical lenses, but there is no auxiliary optical lens assembly equipment that can measure the center...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B27/62G01B11/14G01B11/27
Inventor 郭帮辉王健张建忠李灿孙强
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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