Axicon mirror polishing device and polishing method

A polishing device and axicon technology, which are applied in grinding/polishing equipment, optical surface grinders, metal processing equipment, etc., can solve the problems of not very high machining accuracy and the scarcity of concave axicon mirrors, and achieve good device stability. , reduce surface defects, overcome the effect of manual operation

Active Publication Date: 2015-09-16
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the processing price of a convex axicon is about 10,000 US dollars, and the processing accuracy is not very high, while the reports on the concave axicon are even rarer.

Method used

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  • Axicon mirror polishing device and polishing method

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the scope of the present invention should not be limited thereto.

[0026] see first figure 1 , figure 1 It is the structural representation of the best embodiment of the polishing device of the axicon mirror of the present invention, as can be seen from the figure, the polishing device of the axicon mirror of the present invention, this device is successively supporting plate 1, base plate 3, connecting rod 17, Working plate 5 and mold rack 19; a moving top plate 7 is narrower than described supporting plate 1, and one end of this moving top plate 7 and described supporting plate 1 one end are connected into a flat plate by screw, moving top plate 7 and described supporting plate The center line of the supporting plate 1 coincides; the two sides of the base plate 3 and the other end of the moving top plate 7 are provided with an adjusting screw seat...

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Abstract

The invention discloses a polishing device of an axicon and a polishing method of the axicon. The polishing device mainly comprises a motor, a rotary block, a rotary shaft, an adjusting screw, a connecting rod, a grinding tool frame and a grinding tool. The polishing device is characterized in that the motor drives the rotary block to rotate, the rotary shaft is embedded in the rotary block and is provided with the adjusting screw, the rotary shaft is connected with the connecting rod through bolts, the adjusting rod can be used for adjusting the position, on the rotary block, of the connecting rod, the connecting rod is connected with the grinding tool frame, and the grinding tool is fixed on the grinding tool frame through screws; during polishing, the motor drives the rotary block to rotate, the rotary block drives the rotary shaft to rotate, the rotary shaft then drives the connecting rod to move, and the connecting rod drives the grinding tool frame and the grinding tool to stretch and contract reciprocally in the horizontal direction to finish bus polishing work of the axicon. The polishing device of the axicon and the polishing method of the axicon can realize the polishing work of the axicon, and have the advantages that machining precision is high, the polishing device is simple in structure, and the polishing method is convenient to implement.

Description

technical field [0001] The patent of the invention relates to the field of polishing of optical elements, and is especially directed at a device and method for polishing the surface of an axicon mirror. The device is simple and easy to operate, and can achieve high surface shape accuracy and surface roughness. Background technique [0002] Axicon is a group of special optical elements whose working surface is conical, including concave axicon and convex axicon. It is a rotationally symmetric optical element whose focal line is along the direction of the optical axis. Due to the long depth of focus and narrow lateral width of this optical element, it is widely used in the fields of laser beam shaping, laser drilling technology, optical inspection, and laser resonator. Due to the very high precision requirements in these fields, strict requirements are placed on the surface shape accuracy and surface roughness of the axicon mirror. [0003] Since the working surface of the ax...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B13/00B24B13/01
Inventor 顿爱欢顾俊朱宝钤何维宝吴福林徐学科
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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