Study on in-plane displacement measured by subjective speckle under spherical wave and plane wave illuminations

doi:10.13741/j.cnki.11-1879/o4.2025.03.010

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Study on in-plane displacement measured by subjective speckle under spherical wave and plane wave illuminations

更新时间：2025-09-01

- Study on in-plane displacement measured by subjective speckle under spherical wave and plane wave illuminations
- Vol. 51, Issue 3, Pages: 323-329(2025)
- 作者机构：
  
  1:嘉应学院物理与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13741/j.cnki.11-1879/o4.2025.03.010
  CLC： TN249;TP391.41
- Published：2025
- 稿件说明：
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Study on in-plane displacement measured by subjective speckle under spherical wave and plane wave illuminations[J]. 2025, 51(3): 323-329.
DOI：

Study on in-plane displacement measured by subjective speckle under spherical wave and plane wave illuminations[J]. 2025, 51(3): 323-329. DOI： 10.13741/j.cnki.11-1879/o4.2025.03.010.

摘要

主观散斑广泛应用于光学成像、目标检测等多个领域，尤其是面内位移测量领域更是备受关注，其中照明激光则是影响其测量的关键因素之一。首先基于信息光学理论研究了球面波和平面波照明下的透镜成像原理；然后搭建了一个主观散斑光学系统，分别在球面波和平面波照明下利用数字图像相关法对散射物体的面内位移进行了测量，并根据上述原理分析讨论了两种波面对测量的影响。结果发现两种波面对面内位移的测量误差影响有限，但对测量极限影响较大，球面波照明下的面内位移测量极限要低于平面波照明下的极限值。

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