Infrared GRIN GeS2-Sb2S3-CsCl chalcogenide glass-ceramics

被引：10

作者：

Li, Chengkang ^{[1
,2
]}

Liu, Hongjun ^{[1
,2
]}

Zhou, Gangjie ^{[1
,2
]}

Kang, Shiliang ^{[1
,2
]}

Tan, Linling ^{[1
,2
]}

Gao, Chengwei ^{[1
,2
]}

Lin, Changgui ^{[1
,2
]}

机构：

[1] Ningbo Univ, Res Inst Adv Technol, Lab Infrared Mat & Devices, Ningbo 315211, Peoples R China

[2] Key Lab Photoelectr Detect Mat & Devices Zhejiang, Ningbo, Peoples R China

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2022年 / 105卷 / 10期

基金：

中国国家自然科学基金;

关键词：

chalcogenides; glass-ceramics; infrared techniques; optical materials; properties; refractive index; CRYSTALLIZATION;

D O I：

10.1111/jace.18598

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Chalcogenide glasses show a unique potential for creating gradient refractive index (GRIN) lenses, which would reduce the size and weight of infrared thermal imaging system and remain/improve its performance. Here, we propose a new method that forms a GRIN chalcogenide glass-ceramics (GCs) by creating low refractive index (n) CsCl nanocrystals within a high n GeS2-Sb2S3 glass matrix. After specific gradient thermal treatment, the GRIN structure of Delta n similar to 0.04 was formed through the gradient precipitation of CsCl. This work would pave a new path to design the GRIN chalcogenide GCs through a selective crystallization of halide crystals with low n.

引用

页码：6007 / 6012

页数：6

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