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Comparison of low-cost hyperspectral sensors
被引：43
作者：
Fisher, J
[1
]
Baumback, M
[1
]
Bowles, J
[1
]
Grossmann, J
[1
]
Antoniades, J
[1
]
机构：
[1] USN, Res Lab, Washington, DC 20375 USA
来源：
IMAGING SPECTROMETRY IV
|
1998年
/
3438卷
关键词：
imaging spectrograph;
hyperspectral;
convex holographic gratings;
holographic transmission gratings;
D O I：
10.1117/12.328112
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ;
0816 ;
081602 ;
083002 ;
1404 ;
摘要：
Recent advances in large format detector arrays and holographic diffraction gratings have made possible the development of imaging spectrographs with high sensitivity and resolution, at relatively low component cost (<$100K.) Several airborne instruments have been built for the visible and near infrared spectral band with 10-nm resolution, and SNR of 200:1. Three instruments are compared, an all-reflective spectrograph using a convex grating in an Offner configuration, and two off-the-shelf transmission grating spectrographs using volume holograms. The camera is a 1024 x 1024 frame transfer, back-thinned CCD, with four taps for obtaining high frame rates. Performance and scan data is presented and compared to the design for image quality, distortion, and throughput.
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页码：23 / 30
页数：8
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