Thermal camouflage based on the phasechanging material GST

查看全文 作　　者：Yurui [1]Qu;Qiang [1]Li;Lu [1]Cai;Meiyan [1]Pan;Pintu [1]Ghosh;Kaikai [1]Du;Min [1]Qiu

机构地区：[1]State Key Laboratory of Modern Optical Instrumentation,College of Optical Science and Engineering,Zhejiang University,Hangzhou 310027,China

出　　处：《Light(Science & Applications)》索引2018年第7卷第1期,共10页

基　　金：supported by the National Key Research and Development Program of China(Grant Number 2017YFA0205700);the National Natural Science Foundation of China(Grant Numbers 61425023,61575177,and 61235007). 摘　　要：Camouflage technology has attracted growing interest for many thermal applications.Previous experimental demonstrations of thermal camouflage technology have not adequately explored the ability to continuously camouflage objects either at varying background temperatures or for wide observation angles.In this study,a thermal camouflage device incorporating the phase-changing material Ge2Sb2Te5(GST)is experimentally demonstrated.It has been shown that near-perfect thermal camouflage can be continuously achieved for background temperatures ranging from 30℃ to 50℃ by tuning the emissivity of the device,which is attained by controlling the GST phase change.The thermal camouflage is robust when the observation angle is changed from 0°to 60°.This demonstration paves the way toward dynamic thermal emission control both within the scientific field and for practical applications in thermal information. 关键词：continuously PHASE PERFECT

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Thermal camouflage based on the phasechanging material GST

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