RedEye-1: a compact SWIR hyperspectral imager for observation of atmospheric methane and carbon dioxide

被引：1
|
作者：
Alsalem, Naif [1 ,2 ]
Betters, Christophe H. [1 ,3 ]
Mao, Yiwei [1 ]
Cairns, Iver h. [1 ]
Leon-Saval, Sergio G. [1 ,3 ,4 ]
机构：
[1] Univ Sydney, ARC Training Ctr CubeSats UAVs & Their Applicat CU, Sch Phys, Sydney, NSW 2006, Australia
[2] Minist Educ, Riyadh, Saudi Arabia
[3] Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Sydney, NSW 2006, Australia
[4] Univ Sydney, Sch Phys, Sydney Astrophoton Instrumentat Lab SAIL, Sydney, NSW 2006, Australia
来源：
OPTICS CONTINUUM | 2023年 / 2卷 / 11期
基金：
澳大利亚研究理事会;
关键词：
WAVELENGTH CALIBRATION; GREENHOUSE GASES; IMAGING-SYSTEM;
D O I：
10.1364/OPTCON.494570
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present the development of our first prototype of a compact short-wavelength infrared (SWIR) hyperspectral imager, RedEye-1, designed to observe and measure the concentrations of methane (CH4) and carbon dioxide (CO2) in the atmosphere. It operates in the spectral range of 1588 nm to 1673 nm with a nominal spectral resolution of 0.5 nm and has a total weight of approximately 1.8 kg. We outline the optical design of the instrument, including its fore-optics (telescope), and evaluate its performance using the OpticStudio ZEMAX software. In addition, we explain the spectral and radiometric calibration procedures and present the results. Our preliminary data reduction and analysis revealed a high quality SWIR image and a single path measurement of an atmospheric profile displaying the absorption lines of CH4 and CO2. (c) 2023 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：2333 / 2347
页数：15
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