scholarly journals Construction method for designing a variable spectral resolution spectrometer with wide bandwidth by multiple off-axis convex gratings

2021 ◽  
Author(s):  
Yao Hu ◽  
Jun Chang ◽  
Zhongye Ji ◽  
Chen Weilin ◽  
Ting Li ◽  
...  
Author(s):  
Takayuki Kotani ◽  
Hajime Kawahara ◽  
Masato Ishizuka ◽  
Nemanja Jovanovic ◽  
Sébastien Vievard ◽  
...  

Author(s):  
E. le Coarer ◽  
J. Ferrand ◽  
J. Boussey ◽  
S. Blaize ◽  
L. G. Venancio ◽  
...  

Proceedings ◽  
2019 ◽  
Vol 27 (1) ◽  
pp. 1
Author(s):  
Coppo ◽  
Brandani ◽  
Faraci ◽  
Sarti ◽  
Cosi

Leonardo has been involved in the realization of several infrared payloads for Earth Observation since 1990. Among the currently in orbit operative instruments we find the two SLSTRs and PRISMA. The SLSTRs are high accuracy radiometers of the Copernicus mission related to ESA Sentinel-3 space component to provide Sea Surface Temperature (SST) data continuity respect to previous (A)ATSRs for climatology in the next 20-years. The PRISMA Program is the first ASI (Agenzia Spaziale Italiana) optical hyperspectral mission for Earth observation. It is based on a high spectral resolution spectrometer operating in the VIS-SWIR channels optically integrated with a panchromatic camera.


1988 ◽  
Vol 102 ◽  
pp. 339-342
Author(s):  
J.M. Laming ◽  
J.D. Silver ◽  
R. Barnsley ◽  
J. Dunn ◽  
K.D. Evans ◽  
...  

AbstractNew observations of x-ray spectra from foil-excited heavy ion beams are reported. By observing the target in a direction along the beam axis, an improvement in spectral resolution, δλ/λ, by about a factor of two is achieved, due to the reduced Doppler broadening in this geometry.


2009 ◽  
Vol 129 (5) ◽  
pp. 715-716
Author(s):  
Shoichi Minami ◽  
Satoshi Morii ◽  
Suo Lian ◽  
Shunji Kawamoto

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