scholarly journals Dependence of the short-wavelength cutoff in the mid-IR pulse spectrum on the interaction length in SiO2 and CaF2

2020 ◽  
Vol 1692 ◽  
pp. 012016
Author(s):  
I Yu Geints ◽  
E D Zaloznaya ◽  
V O Kompanets ◽  
A E Dormidonov ◽  
S V Chekalin ◽  
...  
AIP Advances ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 105106 ◽  
Author(s):  
Nong Li ◽  
Ju Sun ◽  
Qingxuan Jia ◽  
Yifeng Song ◽  
Dongwei Jiang ◽  
...  

1997 ◽  
Vol 159 ◽  
pp. 333-336
Author(s):  
D. Lutz ◽  
R. Genzel ◽  
E. Sturm ◽  
A.F.M. Moorwood ◽  
E. Oliva ◽  
...  

AbstractWe discuss 2.5–45 µm spectra of the Circinus galaxy and of Cen A, obtained with the Short Wavelength Spectrometer (SWS) on board the Infrared Space Observatory. The large number of detected ionic fine structure lines, observable also in visually obscured sources, provides strong constraints on the shape of the ionizing spectrum, which is found to exhibit a UV bump peaking at ~ 70 eV in the case of Circinus. Pure rotational emission of molecular hydrogen, directly probing warm molecular gas, can for the first time be detected in external galaxies.


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