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Method and system for parallelizing axis of reflecting surface and rotation axis of Dove prism

A technology of Dowell prism and reflective surface, applied in installation, optics, instruments, etc., can solve the problems of complex process, low adjustment accuracy, deformation of Dowell prism, etc., to improve assembly accuracy, simple system structure, and ensure parallelism. Effect

Inactive Publication Date: 2012-07-04
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] In order to solve the problems of low adjustment accuracy, complex process and easy deformation of the dove prism in the prior art, the method for realizing the axis of the reflective surface of the dove prism parallel to the axis of rotation, the present invention provides a method for effectively realizing the axis of the reflective surface of the dove prism Method and system parallel to an axis of rotation

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  • Method and system for parallelizing axis of reflecting surface and rotation axis of Dove prism
  • Method and system for parallelizing axis of reflecting surface and rotation axis of Dove prism

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Embodiment Construction

[0026] The present invention relates to a method for realizing that the axis of the reflective surface of the Dove prism is parallel to the axis of rotation, the method includes the following steps:

[0027] Step 1: Install the Dove prism assembly on the lathe, and the Dove prism assembly is driven by the spindle of the lathe to perform high-speed and precise rotation;

[0028] Step 2: Adjust the installed Dove prism assembly so that the axis of the reflective surface of the Dove prism is parallel to the main axis of the lathe; specifically include:

[0029] Step 2.1: Adjust the emitting source and receiving source of the parallel light so that the optical axis is coaxial and parallel to the main axis of the lathe;

[0030] Step 2.2: Adjust the inclination angle and displacement of the Dove prism assembly so that its optical axis is parallel to the optical axes of the parallel light emitting source and receiving source. Usually the displacement is controlled within the range ...

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Abstract

The invention relates to a method and a system for parallelizing an axis of a reflecting surface and a rotation axis of a Dove prism, wherein the system comprises a lathe, a Dove prism component, a emission source centering instrument and a receiving source centering instrument; wherein the Dove prism component is arranged on the lathe; the emission source centering instrument, the Dove prism emission source and the receiving source centering instrument are sequentially arranged on the same optical path; and the Dove prism component comprises a Dove prism and an excircle for fixing the Dove prism. According to the method and the system for parallelizing the axis of the reflecting surface and the rotation axis of the Dove prism, the central axis of the excircle of the Dove prism is coaxial with the rotation axis of the lathe, thereby ensuring that the optical axis of the Dove prism is parallel to the central axis of the excircle of the Dove prism, the assembling precision can be effectively increased to 0.01mm, and the assembling cycle can be greatly shortened; and the system is simple in structure and good in operability.

Description

technical field [0001] The invention belongs to the field of optical-mechanical assembly processing, in particular to a method and a system for realizing the parallelism of the axis of the reflective surface of a Dove prism and the axis of rotation. Background technique [0002] The Dove prism is a kind of image rotator, which has two main purposes: when the prism rotates, the rotation angle of the image after passing through the prism is twice the rotation angle of the prism; the other purpose is the same as the 180° right-angle prism, as 180° total reflection prism is used. Generally speaking, Dove prisms use the principle of critical angle to achieve internal total reflection, so their field of view is limited. At the same time, it is important to keep it using a directional light. [0003] When the Dove prism is used in a rotating optical-mechanical system, there is a problem of how to realize the axis of the Dove prism’s reflective surface parallel to the rotation axi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/18
Inventor 张学敏魏儒义段嘉友李华侯晓华杨建峰
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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