Adjustment detecting method of double-optical wedge initial phase

A technology of initial phase and detection method, which is applied in the field of optics, can solve problems such as complex instrument structure and long customization cycle, and achieve the effect of simple adjustment and detection

Active Publication Date: 2013-03-13
CHINA KEHAN LASER FUJIAN
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] In the prior art, it is generally necessary to purchase or customize special instruments for the above-mentioned adjustments, the structure of the instruments is complex, and the customization cycle is long

Method used

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  • Adjustment detecting method of double-optical wedge initial phase
  • Adjustment detecting method of double-optical wedge initial phase
  • Adjustment detecting method of double-optical wedge initial phase

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Experimental program
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Embodiment Construction

[0026] Such as figure 2 As shown, 1 is the theodolite, 2 is the collimator.

[0027] 1. Adjust the verticality of the double optical wedge

[0028] 1) Place the theodolite 1 and the collimator 2 on the same horizontal platform for adjustment, so that the height of the optical path of theodolite 1 is the same as that of the center of the bracket where the optical wedge is installed (that is, the center of the double optical wedge). Adjust theodolite and collimator so that they can see each other's image in their own eyepieces, and adjust until the two images coincide.

[0029] 2) Install the first optical wedge 3 on the bracket, and put it between theodolite 1 and collimator 2, as image 3 , the image reflected by the first wedge 3 in theodolite 1. Adjust the first wedge 3 so that the reticle of the image coincides with the reticle of theodolite 1; rotate the first wedge 3 to 180° to observe changes in the image, and adjust the first wedge 3 to make the image The reticle a...

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Abstract

The invention relates to an adjustment detecting method of a double-optical wedge initial phase. By virtue of a theodolite and an image-forming principle of parallel light pipes, the two optical wedges are placed in the middle to be adjusted; the optical wedges are adjusted in verticality by the optical wedge image-forming and coincidence of two crosses in the theodolite; the optical wedges are rotated to judge the distances between the optical wedges in multiple locations and the original location, so as to judge whether the two optical wedges are mutually symmetric by 180 degrees or not, thereby realizing adjustment of the initial phase of the two optical wedges. The simple adjusting method is adopted. When the adjustment precision is ensured to a certain degree, the adjustment detection is simple and convenient, and fully prepares for the next operation of the double-optical wedge.

Description

technical field [0001] The invention belongs to the field of optics, and in particular relates to a method for adjusting the initial phase of a double optical wedge. Background technique [0002] In the field of laser processing, four rotating wedges are often used to rotate the laser light at the speed of light. One pair of wedges controls the lateral offset of the light, and the other pair controls the deflection angle of the light. Before laser processing, the installation and debugging of each optical component is a very important work. [0003] Dual wedges that control the lateral offset of rays, such as figure 1 As shown in the figure, the two opposite optical wedges are driven to rotate by a motor, and the distance between the two optical wedges is changed by another motor. In order to ensure that when the two optical wedges rotate, the light only produces a lateral offset, but no angular deflection, it is required to ensure the initial phase of the two opposite opt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/04B23K26/035
Inventor 张荣武杰杰王宁杨小君赵华龙
Owner CHINA KEHAN LASER FUJIAN
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