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Laser tracking measuring optical system energy analysis method based on ZEMAX simulation

An optical system and laser tracking technology, applied in the field of precision measurement, can solve the problem of low precision and achieve the effect of simulation model optimization

Active Publication Date: 2018-07-17
BEIJING UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Traditionally, the energy obtained by the optical system of laser tracking measurement has been a difficult problem, so the accuracy of laser tracking measurement system is usually low
At present, this kind of special calibration equipment in China is completely dependent on imports, especially the online testing equipment with high precision, high detection speed and high economy has become a bottleneck problem restricting the development of a series of major equipment in my country

Method used

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  • Laser tracking measuring optical system energy analysis method based on ZEMAX simulation
  • Laser tracking measuring optical system energy analysis method based on ZEMAX simulation
  • Laser tracking measuring optical system energy analysis method based on ZEMAX simulation

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Embodiment Construction

[0051] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. Its specific implementation process is as follows:

[0052] Step 1: Set the optical system parameters for laser tracking measurement, namely wavelength and aperture. According to the system requirements, the wavelength is selected as 632.8nm, and the aperture is selected as 20mm. Such as image 3 , 4 shown.

[0053] Step 2: Use the Jones matrix to analyze the polarizer P 1 Do a simulation. Set the analyzer incident light The polarization state of is expressed as:

[0054]

[0055] Among them: A 1 , B 1 represents the incident light vector at figure 2 The corresponding two components on the x and y axes of the coordinate axes shown.

[0056] Through the analyzer P 1 of transmitted light Expressed as:

[0057]

[0058] Among them: A 2 , B 2 Indicates the corresponding two components of the outgoing light vector on...

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Abstract

The invention discloses a laser tracking measuring optical system energy analysis method based on ZEMAX simulation, wherein the method is used for analyzing influence of each optical element in an optical system to a laser tracking measuring system. Simulation model establishment is performed on each optical element which is required in the whole system in ZEMAX. According to an optical system principle of laser tracking measurement, sequence adjustment, setting of multiple structure parameters and structure designing between the optical elements are performed. A simulation model of the lasertracking measuring optical system is established for obtaining an energy result. According to different application conditions and environments of the optical element, setting of corresponding parameters is performed, and influence of the optical element parameters to energy of the optical system is obtained. A simulation result is utilized for performing system optimization and reliability evaluation on the optical system.

Description

technical field [0001] The invention relates to a method for energy simulation of an optical system, in particular to energy simulation of a laser tracking measurement optical system, and is mainly used in the field of precision measurement. Background technique [0002] The laser tracking measurement system has the characteristics of large measurement range, high precision, and good on-site real-time performance. The laser beam can be projected to any point in space, and the space target point can be dynamically tracked in real time, so as to realize three-dimensional real-time dynamic tracking measurement. The laser tracking measurement system is efficient and convenient, and is widely used in the calibration of CNC machine tools and coordinate measuring machines, as well as in shipbuilding, automobile manufacturing, aircraft manufacturing and other fields. Traditionally, the energy obtained by the optical system of laser tracking measurement has been a difficult problem ...

Claims

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Application Information

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IPC IPC(8): G01B11/00G06F17/50
CPCG01B11/00G06F30/20
Inventor 陈洪芳汤亮石照耀孙衍强宋辉旭
Owner BEIJING UNIV OF TECH
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