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A Processing Technology of Paul Combination Prism

A processing technology and prism technology, which is applied in the field of Paul combined prism processing technology, can solve the problems of low qualified rate of finished products and poor precision of Paul combined prisms, and achieve the effects of simple processing procedure, reduced material scrap rate, and improved processing efficiency

Active Publication Date: 2021-11-23
马鞍山市江南光学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of poor precision and low pass rate of finished products produced by the existing Paul combined prism processing technology, the present invention provides a Paul combined prism processing technology with simple processing procedures and high efficiency, and the qualified rate of finished products is as high as High product consistency

Method used

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  • A Processing Technology of Paul Combination Prism
  • A Processing Technology of Paul Combination Prism
  • A Processing Technology of Paul Combination Prism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] A kind of Paul combination prism processing technique in the present embodiment, as figure 2 As shown in , the Paul combination prism is composed of isosceles right-angle prisms glued together, and the isosceles right-angle prisms include isosceles right-angle prism I1, isosceles right-angle prism II2, isosceles right-angle prism III3 and isosceles right-angle prism IV4. Steps such as figure 1 As shown in , the specific steps are as follows:

[0059] S01. Processing isosceles rectangular prism:

[0060] ⅰ. Grinding and polishing to produce isosceles right-angle prism I1, isosceles right-angle prism II2 and isosceles right-angle prism III3 with side length of 10×10mm, and isosceles right-angle prism IV4 with side length of large face 10×20mm; Control the technological parameters of each described isosceles right-angled prism to be: the precision of 45 ° of angles, 90 ° of angles and tower difference is all controlled within 8 ", and the verticality of large face and t...

Embodiment 2

[0068] A kind of Paul combination prism processing technique in the present embodiment, the structure of described Paul combination prism is the same as in embodiment 1, and processing steps are as follows:

[0069] S01. Processing isosceles rectangular prism:

[0070] ⅰ. Grinding and polishing to produce isosceles right-angle prism I1, isosceles right-angle prism II2 and isosceles right-angle prism III3 with side length of 20×20mm, and isosceles right-angle prism IV4 with side length of large face 20×40mm; The process control of each described isosceles right-angled prism is: the precision of 45 ° angle, 90 ° angle and tower difference is all controlled within 10 ", and the perpendicularity of large face and two right-angled faces and the side of the triangle is controlled within 30 ", and the size The tolerance is ±0.02mm; the surface flatness of the large surface is ≤1 / 10λ, and the surface finish is 15-20; the surface flatness of the two right-angle surfaces is ≤1 / 8λ, and t...

Embodiment 3

[0078] Paul combination prism processing technology in the present embodiment, processing step is basically the same as embodiment 1 and 2, difference and improvement are, as image 3 Shown in, the processing method of described isosceles rectangular prism is as follows:

[0079] ⅰ. Bond the blank to the large surface of the triangular prism support body 5 with optical glue, keep the large surface of the blank facing up, and then optically glue the right-angled surface at the bottom of the triangular prism support body 5 to a circular tray with a diameter of 300mm 6, and then grind and polish the large face of the blank;

[0080] ⅱ. Clean the processed large surface with ethanol: ether=1:3 mixed reagent, then glue the large surface of the blank to the large surface of the triangular prism by the body 5, and ensure that a right-angled surface of the blank is facing upwards, Then glue the right-angle surface of the bottom of the triangular prism body 5 onto the circular tray 6,...

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Abstract

The invention discloses a Paul combination prism processing technology, and relates to the technical field of Paul prism processing. The steps include: S01, processing isosceles right-angle prisms: ⅰ, grinding and polishing to process isosceles right-angle prisms I, isosceles right-angle prisms II, isosceles right-angle prisms III and isosceles right-angle prisms IV; Coating the prism; S02. Glue the large surfaces of the isosceles right-angle prism I and the isosceles right-angle prism II to make a cube dichroic prism; S03. Process the Paul combination prism: i. Glue the isosceles right-angle prism III and the dichroic prism one by one On the large surface of the isosceles rectangular prism IV, calibrate and debug with a goniometer with an accuracy of 15″ while gluing, until the two rays of light in the goniometer overlap with the naked eye, then irradiate and cure with an ultraviolet lamp for 10 to 15 second; ⅱ, after all gluing is completed, then irradiate and cure with ultraviolet light for 15 to 18 minutes. The present invention has simple processing steps, high efficiency, and high qualified rate of finished products and high product consistency.

Description

technical field [0001] The invention relates to the technical field of Paul prism processing, in particular to a Paul combination prism processing technology. Background technique [0002] The Paul Combination Prism is an optical prism product composed of multiple triangular prisms. The telescope using the Paul Combination Prism can maintain high resolution and high light flux from the objective lens to the eyepiece, and can achieve brighter and clearer imaging effects. Therefore, it is compatible with The optical performance is better than other common Paul prisms. [0003] For the production of Paul combination prisms, because it is composed of multiple triangular prisms, the angles of the outgoing and incident light of the finished product usually deviate, and the smaller the angle deviation between the outgoing light and the incident light, the better the optical performance. The processing technology is also more complicated. The existing Paul combination prism has ba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B5/04
CPCG02B5/04
Inventor 金正彬
Owner 马鞍山市江南光学有限公司
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