Computational and dark-field ghost imaging with ultraviolet light
作者机构:School of PhysicsBeihang UniversityBeijing 102206China Australian Research Council Centre of Excellence for Transformative Meta-Optical SystemsDepartment of Electronic Materials EngineeringResearch School of PhysicsThe Australian National UniversityCanberraACT 2600Australia Institute of PhysicsChinese Academy of SciencesBeijing 100190China
出 版 物:《Photonics Research》 (光子学研究(英文版))
年 卷 期:2024年第12卷第2期
页 面:226-234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:National Natural Science Foundation of China(62075004,62275010,11804018) China Postdoctoral Science Foundation(2022M720347,2022TQ0020) Beijing Municipal Natural Science Foundation(4212051,1232027) International Postdoctoral Exchange Fellowship Program(YJ20220241,YJ20220037) Fundamental Research Funds for the Central Universities
主 题:ghost illumination versatile
摘 要:Ultraviolet(UV)imaging enables a diverse array of applications,such as material composition analysis,biological fluorescence imaging,and detecting defects in semiconductor ***,scientific-grade UV cameras with high quantum efficiency are expensive and include complex thermoelectric cooling ***,we demonstrate a UV computational ghost imaging(UV-CGI)method to provide a cost-effective UV imaging and detection *** applying spatial–temporal illumination patterns and using a 325 nm laser source,a singlepixel detector is enough to reconstruct the images of *** use UV-CGI to distinguish four UV-sensitive sunscreen areas with different densities on a ***,we demonstrate dark-field UV-CGI in both transmission and reflection *** only collecting the scattered light from objects,we can detect the edges of pure phase objects and small scratches on a compact *** results showcase a feasible low-cost solution for nondestructive UV imaging and *** combining it with other imaging techniques,such as hyperspectral imaging or time-resolved imaging,a compact and versatile UV computational imaging platform may be realized for future applications.