光学精密工程2025，Vol.33Issue(11)：1713-1721,9.DOI:10.37188/OPE.20253311.1713
多运动组共轨型紧凑变焦光学系统
Compact zoom optical system with multiple moving groups sharing travel path
摘要
Abstract
Traditional zoom system widely use mechanically compensated zoom structures,which suffer from excessive total track length and bulky structures.These limitations make it difficult for them to meet the strict constraints on volume and weight imposed by miniaturized devices.To address the aforemen-tioned issues,this study discusses the principle of stable imaging in multiple moving groups zoom systems and proposes a compact zoom optical system model based on multiple moving groups sharing travel path.Taking a five-group zoom system as a design case,the complete design process from the formulation of design specifications to Gaussian structure analysis and then to optimization solutions is elaborated in detail.The effectiveness of the design results is verified through performance evaluation.The de-sign results show that the system employs three glass lenses and seven plastic lenses,achieving a 3×continuous zoom from 23 mm to 69 mm with a total track length of 69 mm.The system has an F-num-ber range of 2.4～4.5,an image height of 8.49 mm,and a working spectrum covering 435～650 nm,and the system mass is controlled below 30 g,while maintaining excellent imaging quality across the entire field of view and zoom range.The zoom curves exhibit smooth transitions without inflection points.The proposed compact zoom optical system model based on multiple moving groups sharing travel path effectively expands the effective motion range of individual moving groups under limited mechanical travel.While reducing the axial length of the zoom system,it ensures imaging quality sta-bility during continuous zooming,providing an effective approach to achieve the goals of compactness design in zoom optical systems.Additionally,by adopting a glass-plastic hybrid configuration for the lens material,the lightweight target of the system is achieved.关键词
光学设计/连续变焦/多运动组/紧凑型光学系统Key words
optical design/continuous zoom/multiple moving groups/compact optical system分类
机械制造引用本文复制引用
谢佳儀,王治乐,于东辉,王泽奇,黄莉雯..多运动组共轨型紧凑变焦光学系统[J].光学精密工程,2025,33(11):1713-1721,9.基金项目
航空科学基金资助项目(No.20220001077001) （No.20220001077001）
