Double eccentric adjustment light path device

A double eccentric and eccentric technology, which is applied in optics, optical components, instruments, etc., can solve the problems of easy limitation of the use of spatial light modulators, and achieve good consistency, compact device structure, and good combination

Inactive Publication Date: 2015-01-28
HEFEI UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a double eccentricity adjustment optical path device to solve the problem that the use of spatial light modulators in the prior art is easily limited

Method used

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  • Double eccentric adjustment light path device
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  • Double eccentric adjustment light path device

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Embodiment Construction

[0033] like Figure 1-Figure 4 As shown, the double eccentricity adjustment optical path device includes an inner disc 2 and an outer disc 3, the diameter of the outer disc 3 is larger than that of the inner disc 2, and the outer disc 3 is eccentrically opened with an eccentric through hole for the outer disc, and the inner disc 2 The rotation is installed in the eccentric hole of the outer disc 3 to form a double eccentric structure, the inner disc 2 is eccentrically opened with an inner disc eccentric through hole, and the lens 1 is fixedly installed in the inner disc eccentric through hole.

[0034] The diameter of the eccentric through hole of the outer disc matches the diameter of the inner disc 2 , and the diameter of the eccentric through hole of the inner disc matches the diameter of the lens 1 .

[0035] The outer disc 3 rotates around its own center, and the inner disc 2 can independently rotate around its own center while following the revolution of the outer disc. ...

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Abstract

The invention discloses a double eccentric adjustment light path device which is used to forming scanning light beams in the fields such as light spot scanning and confocal scanning measurement. The double-eccentric-adjustment light path device is composed of an inner disk, an outer disk and a lens, wherein the inner disk and the outer disk are not transparent and are provided with eccentric holes. The inner disk is arranged in the eccentric hole of the outer disk, and the diameter of the inner disk is as same as that of the eccentric hole. The lens is arranged in the eccentric hole of the inner disk, and the diameter of the lens is as same as that of the eccentric hole. Therefore, a double eccentric structure is formed. The inner disk and the outer disk rotate freely around their respective centers. The position of the lens in a spatial plane is changed by changing the rotating angles of the two disks, and large-diameter (larger than the caliber of the lens but smaller than the diameter of the outer disk) light beams are inwards illuminated onto the disks and then can form the scanning light beams through continuous change of the positions of the lens. The double eccentric adjustment light path device is compact in structure, good in combination with the traditional light paths and fixed in the light passing amount, can keep consistency of energy and shapes of formed light spots, and is applicable to scanning of various light wave lengths.

Description

technical field [0001] The invention relates to the field of optical path adjustment devices, in particular to a double eccentricity adjustment optical path device. Background technique [0002] At present, the formation of the scanning beam in spot scanning and confocal scanning measurement generally uses a spatial light modulator. The process of forming the scanning beam is affected by the wavelength of the light. Different modulator parameters need to be used for different wavelengths of light. A single spatial light modulator has a limited scan angle. At the same time, the spatial light modulator is greatly affected by temperature and has high requirements on the environment. Contents of the invention [0003] The purpose of the present invention is to provide a double eccentricity adjustment optical path device to solve the problem of easy limitation of the use of spatial light modulators in the prior art. [0004] In order to achieve the above object, the technical...

Claims

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Application Information

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IPC IPC(8): G02B26/08
Inventor 党学明何小虎卢荣胜黄平安
Owner HEFEI UNIV OF TECH
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