Optical transfer function measurement based on Hartmann wavefront sensor

为实现光学传递函数的低成本、实时测量,本文提出基于哈特曼探测器的光学传递函数测量方法。首先,基于哈特曼探测器的测量波面,给出光学传递函数的测量方法。然后,设计传函测量光路,并给出焦深、像差和焦距测量的方法。同时,设计了物镜像差的标定光路,给出标定方法。最后,搭建实验光路,实现了单透镜的调制传递函数(MTF)、像差、焦距、焦深及色差的测量。结果显示,该方法实现了0-1° 视场透镜的MTF测量;透镜的像散、慧差及球差分别为0.114 λ、0.128 λ和0.02 λ;0°视场下透镜的色差在红、绿、蓝三个波长下分别为0.047 λ、0.055 λ、0.048 λ,1°视场下增长到0.117 λ、0.176 λ和0.154 λ;焦深为0.454 mm,误差2 %,焦距为74.6 mm,误差0.8 %。结果表明,该测量方法能够实现透镜的传函测量,为光学系统传函的低成本、实时测量提供技术途径。

Publication Details

Journal
Chinese Optics
Published
2025-01-01
DOI
https://doi.org/10.37188/co.2025-0012
Primary Topic
Adaptive optics and wavefront sensing
Type
article
Field-Weighted Citation Impact
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article

Optical transfer function measurement based on Hartmann wavefront sensor

Chinese Optics
Adaptive optics and wavefront sensing
article

Optical transfer function measurement based on Hartmann wavefront sensor

article en

Abstract

为实现光学传递函数的低成本、实时测量,本文提出基于哈特曼探测器的光学传递函数测量方法。首先,基于哈特曼探测器的测量波面,给出光学传递函数的测量方法。然后,设计传函测量光路,并给出焦深、像差和焦距测量的方法。同时,设计了物镜像差的标定光路,给出标定方法。最后,搭建实验光路,实现了单透镜的调制传递函数(MTF)、像差、焦距、焦深及色差的测量。结果显示,该方法实现了0-1° 视场透镜的MTF测量;透镜的像散、慧差及球差分别为0.114 λ、0.128 λ和0.02 λ;0°视场下透镜的色差在红、绿、蓝三个波长下分别为0.047 λ、0.055 λ、0.048 λ,1°视场下增长到0.117 λ、0.176 λ和0.154 λ;焦深为0.454 mm,误差2 %,焦距为74.6 mm,误差0.8 %。结果表明,该测量方法能够实现透镜的传函测量,为光学系统传函的低成本、实时测量提供技术途径。

Chinese OpticsVol. 18(4)
Openalex Percentile: Top 94%
Adaptive optics and wavefront sensing
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