Analytical design of athermal ultra-compact concentric catadioptric imaging spectrometer

被引：20
|
作者：
Zhu, Jiacheng [1 ,2 ,3 ]
Shen, Weimin [1 ,2 ,3 ]
机构：
[1] Soochow Univ, Sch Optoelect Sci & Engn, Suzhou 215006, Peoples R China
[2] Soochow Univ, Key Lab Adv Opt Mfg Technol Jiangsu Prov, Suzhou 215006, Peoples R China
[3] Soochow Univ, Key Lab Modern Opt Technol Educ, Minist China, Suzhou 215006, Peoples R China
来源：
OPTICS EXPRESS | 2019年 / 27卷 / 21期
关键词：
SYSTEM;
D O I：
10.1364/OE.27.031094
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An ultra-compact concentric catadioptric imaging spectrometer with large relative aperture and long slit is proposed. It consists of three optical components integrated monolithically in a concentric layout. Its astigmatism theory is discussed through tracing its chief ray and its athermalization is realized by optimizing lens materials. A high-speed (F/2.25) long-slit (48mm) VNIR design with high imaging quality and small distortions is presented. Results show a 10x reduction in volume than classic designs based on Offner-Chrisp configuration and a 1.9x reduction in length than Dyson configuration. Moreover, the design shows superior thermal adaptability with negligible decline in imaging quality while operating temperature changes between -30 degrees C and 70 degrees C. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：31094 / 31109
页数：16
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