光学学报, 2015, 35 (12): 1222001, 网络出版: 2015-12-10   

基于环型孔径超薄透镜的微光学标签接收系统

Micro-Optics Label Receiving System Based on Annular Aperture Ultra-Thin Lens
作者单位
南京邮电大学光电工程学院, 江苏 南京 210003
摘要
设计了微光学标签的接收系统,提出采用大孔径长焦距的环型孔径超薄透镜作为系统接收端手机镜头的思路,用Zemax软件设计得到了4次折返环型孔径透镜。透镜前后表面为多个环型非球面反射镜,外直径为28 mm,有效焦距为36 mm,镜头厚度为7.6 mm,在有限的厚度和重量内得到较大的有效焦距和孔径,实现超薄特性。有效增加了系统的接收距离,实现了手机对微光学标签的远距离接收。采用基于OpenCV 计算机视觉库的VC 6.0平台开发了图像畸变校正的程序,对不同接收距离情况下有一定径向畸变的模拟接收图像分别进行修正并准确解码获取所需信息。
Abstract
The micro-optics label receiving system is designed, a large aperture and long focal length lens called annular aperture ultra-thin lens which is used as mobile phone lens of system receiving terminal is proposed, a fourreflection folded annular aperture lens is designed with Zemax. Front and rear surfaces of lens are annual aspheric mirrors, the outer diameter of lens is 28 mm, the effective focal length is 36 mm and the thickness of lens is 7.6 mm. This lens has large effective focal length, long aperture and ultra-thin characteristics in limited thickness and weight. Thus, a long distance receiving of micro-optical label with the mobile phone is obtained. Furthermore, a image distortion correction program is developed on VC 6.0 platform based on the OpenCV computer vision library, the radial distortion of receiving image simulation is modified and decoded accurately in order to obtaining the required information.

戈兰, 梁忠诚. 基于环型孔径超薄透镜的微光学标签接收系统[J]. 光学学报, 2015, 35(12): 1222001. Ge Lan, Liang Zhongcheng. Micro-Optics Label Receiving System Based on Annular Aperture Ultra-Thin Lens[J]. Acta Optica Sinica, 2015, 35(12): 1222001.

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