- 专利标题： Methods and Apparatus for Modulating Light with Phase Change Materials
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申请号： US16263071申请日： 2019-01-31
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公开(公告)号： US20190235228A1公开(公告)日： 2019-08-01
- 发明人: Jeffrey Chou , Vladimir Liberman , Juejun Hu , Yifei Zhang , William Herzog , Jason Stewart , Christopher Roberts
- 申请人： Jeffrey Chou , Vladimir Liberman , Juejun Hu , Yifei Zhang , William Herzog , Jason Stewart , Christopher Roberts
- 主分类号： G02B26/06
- IPC分类号： G02B26/06 ; G02B27/09 ; G02B5/20 ; G02B26/02
摘要：
Alloys of GeSbSeTe (GSST) can be used to make actively tunable infrared transmission filters that are small, fast, and solid-state. These filters can be used for hyperspectral imaging, 3D LIDAR, portable bio/chem sensing systems, thermal emission control, and tunable filters. GSST is a low-loss phase-change material that can switch from a low-index (n=3), amorphous state to a high-index (n=4.5), hexagonal state with low loss (k
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