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Regulating frame of space filter lens

A technology of spatial filter and adjustment frame, applied in instruments, installation, optics, etc., can solve the problems of angle offset, difficult adjustment, stuck, etc., to improve stability, improve micro-movement phenomenon, high promotion value and use effect of value

Inactive Publication Date: 2008-03-05
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The angle adjustment of this structure is relatively simple and convenient. However, due to the large friction coefficient of the fluororubber sealing ring used in the dynamic seal, the translation adjustment is tightly pressed on the pipe due to the influence of atmospheric pressure when the pipe is vacuumed, causing jamming, Difficult to adjust and other issues, the adjustment process is very laborious
At the same time, because the Z-direction adjustment mechanism of this structure is behind the lens angle adjustment mechanism, when the Z-direction adjustment mechanism is rotated and adjusted, the adjusted angle will be shifted due to the rotation, and the angle adjustment needs to be re-adjusted. Therefore, this angle adjustment The mechanism linked with translation adjustment is very convenient in practical application

Method used

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  • Regulating frame of space filter lens
  • Regulating frame of space filter lens
  • Regulating frame of space filter lens

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Experimental program
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Embodiment Construction

[0023] Please refer to Fig. 2 first. Fig. 2 is a schematic longitudinal sectional view of the spatial filter lens adjustment mount of the present invention. The spatial filter lens adjustment mount of the present invention includes a one-dimensional translation adjustment mechanism, an angle adjustment device, a lens frame assembly and a bellows adjustment assembly , the bellows adjustment assembly is formed by welding the bellows front flange 116 and the bellows rear flange 118 respectively with the bellows 117, and the one-dimensional translation adjustment mechanism includes a Z-direction adjustment sleeve 101 and a Z-direction adjustment method The flange 120, the Z-direction adjusting sleeve 101 and the Z-direction adjusting flange 120 are matched with trapezoidal threads, and the Z-direction adjusting sleeve 101 can be rotated to make it move back and forth so as to realize the Z-direction translation adjustment function. The trapezoidal thread has good manufacturability,...

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Abstract

The present invention relates to a space filter lens regulating frame. It includes one-dimensional translation regulating mechanism, angle regulating device, lens and lens frame component and corrugated pipe regulating component. The described corrugated pipe regulating component is composed of corrugated pipe front flange and corrugated pipe rear flange which are respectively welded with corrugated pipe. Said invention also provides its operation method and several advantages.

Description

technical field [0001] The invention relates to a high-power laser device, in particular to a spatial filter lens adjustment frame. It is mainly used for the adjustment of one-dimensional translation and two-dimensional angular rotation of the lens in the spatial filter device. Background technique [0002] Spatial filters are one of the important components in high-power laser devices, and the adjustment of lens elements has a great influence on the output quality of laser beams. The two lenses of the spatial filter and the filter aperture on the image plane need to be strictly coaxial and confocal. If the spatial filter is misaligned, the two lenses will bring aberration to the beam. Therefore, the lens in the spatial filter is usually Multidimensional adjustments are required. Usually it is one-dimensional translation (along the optical axis Z) and two-dimensional angle adjustment. For larger systems, three-dimensional translation (along the optical axis and X, Y axes p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/02G02B26/00
Inventor 高洁庞向阳蔡志坚朱健强
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI