Increased Compactness of an Imaging Spectrometer Enabled by Freeform Surfaces

2017 ◽  
Author(s):  
Jacob Reimers ◽  
Kevin P. Thompson ◽  
John Troutman ◽  
Joseph D. Owen ◽  
Aaron Bauer ◽  
...  
Keyword(s):  
Freeform Surfaces ◽  
Imaging Spectrometer

Comparison of hyperspectral imaging spectrometer designs and the improvement of system performance with freeform surfaces

2017 ◽  
Vol 56 (24) ◽  
pp. 6894 ◽  
Author(s):  
Chang Liu ◽  
Christoph Straif ◽  
Thomas Flügel-Paul ◽  
Uwe D. Zeitner ◽  
Herbert Gross
Keyword(s):  
Hyperspectral Imaging ◽  
System Performance ◽  
Freeform Surfaces ◽  
Imaging Spectrometer

Optical design of Schwarzschild imaging spectrometer with freeform surfaces

2021 ◽  
Vol 480 ◽  
pp. 126495
Author(s):  
Xingwei Liu ◽  
Jinsong Zhou ◽  
Lidong Wei ◽  
Lei Feng ◽  
JuanJuan Jing ◽  
...  
Keyword(s):  
Optical Design ◽  
Freeform Surfaces ◽  
Imaging Spectrometer

Optical design of Offner-Chrisp imaging spectrometer with freeform surfaces

2016 ◽  
Author(s):  
Lidong Wei ◽  
Lei Feng ◽  
Jinsong Zhou ◽  
Juanjuan Jing ◽  
Yacan Li
Keyword(s):  
Optical Design ◽  
Freeform Surfaces ◽  
Imaging Spectrometer

Corrective method for spectral offset error caused by radial distortion in the large aperture static imaging spectrometer

2020 ◽  
Vol 13 (6) ◽  
pp. 1-8
Author(s):  
AN Ling-ping ◽  
◽  
WANG Shuang ◽  
ZHANG Geng ◽  
LI Juan ◽  
...  
Keyword(s):  
Imaging Spectrometer ◽  
Radial Distortion ◽  
Large Aperture ◽  
Corrective Method ◽  
Offset Error ◽  
Static Imaging

Anastigmatic design of imaging spectrometer with varied line-space convex grating

2020 ◽  
Vol 28 (10) ◽  
pp. 2103-2111
Author(s):  
Mei-hong ZHAO ◽  
◽  
Xin-yu WANG ◽  
Yan-xiu JIANG ◽  
Shuo YANG ◽  
...  
Keyword(s):  
Imaging Spectrometer ◽  
Line Space

Estimation of Canopy Leaf Nitrogen Status Using Imaging Spectrometer and Digital Camera in Cotton

2011 ◽  
Vol 37 (6) ◽  
pp. 1039-1048 ◽  
Author(s):  
Fang-Yong WANG ◽  
Ke-Ru WANG ◽  
Shao-Kun LI ◽  
Shi-Ju GAO ◽  
Chun-Hua XIAO ◽  
...  
Keyword(s):  
Digital Camera ◽  
Leaf Nitrogen ◽  
Nitrogen Status ◽  
Imaging Spectrometer

Impact of aerosol on air temperature in Baghdad

2017 ◽  
Vol 2 (6) ◽  
Author(s):  
Yaseen Kadhim Abbas Al-Timimi ◽  
Ali Challob Khraibet
Keyword(s):  
Temperature Variation ◽  
Aerosol Optical Depth ◽  
Optical Depth ◽  
Air Temperature ◽  
Strong Correlation ◽  
Imaging Spectrometer ◽  
Moderate Resolution ◽  
Resolution Imaging

Aerosol Optical Depth (AOD) is the measure of aerosol distributed with a Column of air from earth’s surface to the top of atmosphere, in this study, temperature variation of aerosol optical depth (AOD) in Baghdad was analyzed Moderate Resolution Imaging Spectrometer (MODIS) from Terra and its relationship with temperature for the period 2003 – 2015 were examined. The highest values for mean seasonal AOD were observed in spring and summer and the maximum AOD values ranged from 0.50 to 0.58 by contrast minimum AOD values ranging from 0.30 to 0.41 were found in winter and autumn. Results of study also showed that the temperature (max., min., mean air temperature and DTR) have a strong correlation with AOD (0.82, 0.83, 0.82 and 0.65) respectively.

A Medium Survey of the Hard X‐Ray Sky with theASCAGas Imaging Spectrometer: The (2–10 keV) Number Counts Relationship

1998 ◽  
Vol 493 (1) ◽  
pp. 54-61 ◽  
Author(s):  
I. Cagnoni ◽  
R. Della Ceca ◽  
T. Maccacaro
Keyword(s):  
Imaging Spectrometer ◽  
X Ray ◽  
Number Counts
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