Optical design of a compact and high-transmittance compressive sensing imaging system enabled by freeform optics

作     者：Dewen Cheng Hailong Chen Tong Yang Jun Ke Yang Li Yongtian Wang 程德文;陈海龙;杨通;柯钧;李阳;王涌天

作者机构：School of Optics and PhotonicsBeijing Institute of TechnologyBeijing 100081China Beijing Engineering Research Center of Mixed Reality and Advanced DisplaySchool of Optics and PhotonicsBeijing Institute of TechnologyBeijing 100081China Beijing Key Laboratory of Advanced Optical Remote Sensing TechnologySchool of Optics and PhotonicsBeijing Institute of TechnologyBeijing 100081China 

出 版 物：《Chinese Optics Letters》 (中国光学快报（英文版）)

年 卷 期：2021年第19卷第11期

页      面：117-123页

核心收录：

学科分类：070207[理学-光学] 07[理学] 08[工学] 080203[工学-机械设计及理论] 0802[工学-机械工程] 0803[工学-光学工程] 0702[理学-物理学] 

基　　金：This work was supported by the National Key Research and Development Program of China(No.2017YFA0701200) National Natural Science Foundation of China(No.61805012) Young Elite Scientist Sponsorship Program by CAST(No.2019QNRC001) 

主　　题：compressive sensing freeform optics compactness and high-transmittance joint optimization 

摘      要：Using compressive sensing for imaging has many applications, and it is an important branch of computational *** this Letter, freeform surfaces are introduced in the hardware optical system design of a compressive sensing imager. The system works under the medium wave infrared band and realizes a 16× compression with a field-of-view of 7.5°× 6°. Good imaging performance is achieved in both the entire system and the freeform objective optics. Compared with the system using all spherical lenses, the volume of the freeform system is about 1/3 smaller, and the total transmittance is about 56%higher, which shows the benefits of using freeform surfaces for compressive sensing and computational imaging.