中国光学(中英文)2025,Vol.18Issue(4):819-829,11.DOI:10.37188/CO.2025-0012
基于哈特曼探测器的光学传递函数测量方法研究
Optical transfer function measurement based on Hartmann wavefront sensor
摘要
Abstract
This study proposes a Hartmann wavefront sensor-based method for cost-effective,real-time measurement of Optical Transfer Function(OTF).First,an OTF measurement framework is established us-ing wavefront data acquired through the Hartmann wavefront sensor.Subsequently,we design an optical con-figuration for OTF measurement,incorporating methodologies to determine depth of focus,characterize aber-rations,and measure focal length.A dedicated calibration optical path is developed for objective lens aberra-tion quantification,accompanied by systematic calibration procedures.Finally,an experimental setup is im-plemented to comprehensively assess lens performance,including Modulation Transfer Function(MTF),ab-erration,focal length,depth of focus,and chromatic aberration.The measurement results show that this meth-od can achieve MTF measurement for the lens within a 0-1° field of view.The measured aberrations include astigmatism(0.114 λ),coma(0.128 λ),and spherical aberration(0.02 λ).At 0° field angle,the chromatic ab-erration values for red,green,and blue wavelengths are 0.047 λ,0.055 λ,and 0.048 λ,respectively,increas-ing to 0.117 λ,0.176 λ,and 0.154 λ at 1° field angle.The depth of focus is measured at 0.454 mm with a 2%error,while the focal length is determined to be 74.6 mm with a 0.8%error.These results confirm that the proposed measurement method enables accurate MTF characterization of optical lenses,providing a low-cost and real-time technical solution for the evaluation of MTF in optical systems.关键词
哈特曼探测器/光学传递函数/像差/焦距测量/色差Key words
Hartmann wavefront sensor/optical transfer function/aberration/focal length measurement/chromatic aberration分类
信息技术与安全科学引用本文复制引用
张黄轲,李子凡,施文恺,毛红敏,陆焕钧,樊丽娜,曹召良..基于哈特曼探测器的光学传递函数测量方法研究[J].中国光学(中英文),2025,18(4):819-829,11.基金项目
"十四五"江苏省重点学科资助(No.2021135) (No.2021135)
吉林省科技厅重点研发项目(No.20220203033SF) (No.20220203033SF)
国家自然科学基金青年科学基金项目(No.22205155) (No.22205155)
江苏省自然科学基金青年基金项目(No.BK20220640) (No.BK20220640)
江苏省高校基础科学(自然科学)研究面上项目(No.22KJB150011)Supported by Jiangsu Key Disciplines of the Fourteenth Five-Year Plan(No.2021135) (自然科学)
Key R & D Projects of Jilin Provincial Department of Science and Technology(No.20220203033SF) (No.20220203033SF)
National Natural Science Foundation of China(No.22205155) (No.22205155)
Natural Science Foundation of Jiangsu Province(No.BK20220640) (No.BK20220640)
Natural Science Research of Jiangsu Higher Education Institutions of China(No.22KJB150011) (No.22KJB150011)