基于液体透镜的可调焦小型摄像镜头光学系统设计  

Design of an optical system for a small-sized camera lens with adjustable focus based on liquid lens

作　　者：李杰 张艳丽 曹乾坤 封涛 王恒云 李帅 詹燕燕 LI Jie;ZHANG Yanli;CAO Qiankun;FENG Tao;WANG Hengyun;LI Shuai;ZHAN Yanyan(Henan Pingyuan Optics Electronics Co.,Ltd..Jiaozuo 454001,China)

机构地区：[1]河南平原光电有限公司,河南焦作454001

出　　处：《光学技术》2024年第6期665-670,共6页Optical Technique

摘　　要：液体透镜具有变焦迅速,低功耗,低成本等诸多优点,决定了其在无人机、内窥镜等领域的应用前景广阔。文章介绍了液体透镜的分类和工作原理,进行了液体透镜调焦高斯理论计算,推导出调焦距离和液体透镜焦距关系公式。设计了视场为110°的带液体透镜的物镜光学系统,该系统的探测器是1/4英寸的CMOS芯片,光学系统的像差达到了使用要求。最后对本系统实物进行了试验验证,结果完全符合设计的指标要求,满足在微型镜头上的使用要求。Liquid lens has many advantages such as rapid zoom,low power consumption,low cost,etc,which determines its wide application in UAV,endoscope and other fields.The classification and working principle of liquid lens are introduced,the Gaussian theoretical calculation of liquid lens focusing is carried out,and the relationship formula between the focusing distance and the focal length of liquid lens is derived,too.A 110°objective optical system with liquid lens is designed,and the detector of the system is a 1/4 inch CMOS chip,and aberration of the optical system can meet the application requirements.Finally,experimental verification has been conducted on the physical object of this system and the results successfully meet the established design indices,as well as specified requirements for utilization in micro-lens applications.

关 键 词：液体透镜 小型摄像镜头 调焦 

分 类 号：O439[机械工程—光学工程]