Design of contact lenses projection measuring instrument

LIAO Hai-yang

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Design of contact lenses projection measuring instrument

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- Design of contact lenses projection measuring instrument
- Optics and Precision Engineering Vol. 12, Issue 3, Pages: 254-258(2004)
- 作者机构：
  
  重庆大学, 光电技术及系统教育部重点实验室, 重庆, 400044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH741.5
- Received：17 October 2003，
  
  Revised：29 February 2004，
  
  Published Online：15 June 2004，
  
  Published：15 June 2004
- 稿件说明：
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廖海洋. 隐形眼镜投影测量仪的设计[J]. 光学精密工程, 2004,(3): 254-258

LIAO Hai-yang . Design of contact lenses projection measuring instrument[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 254-258
廖海洋. 隐形眼镜投影测量仪的设计[J]. 光学精密工程, 2004,(3): 254-258 DOI：

LIAO Hai-yang . Design of contact lenses projection measuring instrument[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 254-258 DOI：

摘要

提出了一种采用光学投影成像和自扫描光电二极管列阵(SSPA)传感器实现隐形眼镜曲率、光学中心厚度和直径测量的新方法

基于此方法设计成功了一种新型隐形眼镜投影测量仪.介绍了仪器的测量原理、仪器结构、光电二极管列阵信号采集以及单片机控制系统的硬件和软件设计.该测量仪测量镜片曲率半径的精度优于±0.1mm

测量镜片光学中心厚度的精度优于±0.01mm

测量镜片直径的精度优于±0.1mm

并能分辨镜片上任何方向大于0.01mm的杂质和表面缺陷.

Abstract

With the demand for contact lenses increasing

measurement instrument and technology are needed for measuring the important parameters of contact lenses. A new method is proposed to use optical projection and self-scanning photodiode array to measure the curvature

optical center thickness and diameter of contact lenses. A new instrument based on the method has been successfully designed for measuring contact lenses. Its precision is superior to ?0.1 mm in lenses curvature

?0.01 mm in optical center thickness

and ?0.1 mm in diameter. The measuring principal

special construction

signal sampling process of this new instrument and the design of the single-chip microcomputer hardware and software system are discussed in detail.

关键词

Keywords

references

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