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一种大口径可调焦激光两级扩束聚焦发射装置
InventionUnknown
10Claims · 1 independent
§ Ⅰ
Dossier Overview
Inventor
方海滨; 黄果; 杨庆红; 李钊鉴; 曹凌霄
Filing Date
Jul 21, 2026
Publication Date
Oct 20, 2026
IPC Classification
G02B 27/09 (2006.01)F41H 13/00 (2006.01)
本发明公开了一种大口径可调焦激光两级扩束聚焦发射装置,属于激光聚焦发射技术领域,其包括一级扩束结构、二级扩束结构;所述一级扩束结构沿激光入射光路布置于二级扩束结构前端;所述一级扩束结构包含沿光路依次设置的镜片一、镜片二、镜片三,所述镜片一为双凹透镜,所述镜片二为月牙凸透镜,所述镜片三为月牙凸透镜;镜片一与镜片二之间的距离为可调结构,镜片二与镜片三之间固定间距为3mm;本发明中,将调焦功能全部集成至前端一级扩束,后端二级反射结构整体固定,同轴一级扩束装调敏感度更低,省去多轴同步校准步骤,大幅降低调试难度;搭配消像差设计,系统整体接近衍射极限,远距离光斑聚焦效果优异。
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