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Beam expander locating mechanism and optical system with same

一种定位机构、扩束镜的技术，应用在光学、光学元件、安装等方向

Inactive Publication Date: 2011-05-11
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In order to ensure that the light output port of the laser is aligned with the light entrance port of the beam expander, a positioning mechanism is generally installed on the beam expander. However, the traditional positioning mechanism can only adjust the plane position of the beam expander and it is difficult to simultaneously adjust the beam expander The angle of the mirror relative to the laser is adjusted

Method used

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  • Beam expander locating mechanism and optical system with same
  • Beam expander locating mechanism and optical system with same
  • Beam expander locating mechanism and optical system with same

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Embodiment Construction

[0013] The positioning mechanism and optical system of the beam expander of the present invention will be further described in detail in conjunction with the accompanying drawings and embodiments.

[0014] see figure 1 , the optical system 100 of the embodiment of the present invention includes a base 101 and a laser 102 , a beam expander 103 and a focusing mirror 104 disposed on the base 101 . When in use, the diameter of the laser beam emitted by the laser 102 becomes larger after being expanded by the beam expander 103, and then converged by the focusing lens 104 to form a light spot with an extremely small diameter and relatively concentrated energy, so as to realize welding, cutting, Marking, punching, etc. In order to adjust the position of the beam expander 103 relative to the laser 102 so that its light entrance is aligned with the light exit of the laser 102 , the optical system 100 further includes a beam expander positioning mechanism 200 arranged between the laser...

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Abstract

The invention relates to a beam expander locating mechanism comprising a fixing plate, a locating plate, a connecting sleeve arranged between the fixing plate and the locating plate and connected with a beam expander and a locating sleeve sleeved on the connecting sleeve and fixedly connected with the locating plate. The locating sleeve is provided with a first regulating part for regulating the relative position of the connecting sleeve and the locating sleeve. The beam expander locating mechanism also comprises a supporting part and a second regulating part. The supporting part is arranged at a corner between the fixing plate and the locating plate. The two ends of the supporting part are partly spherical, and the fixing plate and the locating plate respectively form part spherical pit abut against the two ends of the supporting part. The second regulating part is movably arranged between the fixing plate and the locating plate. An included angle formed by a plane where the fixing plate is arranged and a plane wherein the locating plate is arranged is changed by regulating the position of the second regulating part relative to the fixing plate and the locating plate. The beam expander locating mechanism can relatively conveniently regulate the plane position and the rotation angle of the beam expander. The invention also discloses an optical system with the beam expander locating mechanism.

Description

technical field [0001] The invention relates to a beam expander positioning mechanism and an optical system using the mechanism. Background technique [0002] With the rapid development of high technology, laser application technology has been greatly developed. Various laser application equipment (marking, welding, drilling, cutting, etc.) have entered into industrial fields such as electronics, machinery manufacturing, steel, metallurgy, petroleum, etc., providing advanced technical equipment for the technological transformation of traditional industries and the modernization of manufacturing. [0003] In laser applications, the photostability and the size of the focal point have a decisive influence on the use effect. A beam expander is a lens component that can change the diameter and divergence angle of a laser beam. The laser beam emitted from the laser has a certain divergence angle. The divergence angle can be compressed through the adjustment of the beam expander,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/02G02B27/09
CPCG02B7/004G02B7/023
Inventor 宋尚轩
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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