Dielectric properties, refractive index and far infrared spectrum of cholesteryl oleyl carbonate

1975 ◽  
Vol 71 ◽  
pp. 1854 ◽  
Author(s):  
Myron Evans ◽  
Rafik Moutran ◽  
Alun H. Price
Keyword(s):  
Refractive Index ◽  
Dielectric Properties ◽  
Infrared Spectrum ◽  
Far Infrared

The far infrared spectrum of H2O2 observed and calculated rotational levels of the torsional states : (n, τ) = (0, 1), (0, 3) and (1, 1)

1988 ◽  
Vol 49 (11) ◽  
pp. 1901-1910 ◽  
Author(s):  
F. Masset ◽  
L. Lechuga-Fossat ◽  
J.-M. Flaud ◽  
C. Camy-Peyret ◽  
J.W.C. Johns ◽  
...  
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared

scholarly journals Broadband spectroscopy of astrophysical ice analogues

2019 ◽  
Vol 629 ◽  
pp. A112 ◽  
Author(s):  
B. M. Giuliano ◽  
A. A. Gavdush ◽  
B. Müller ◽  
K. I. Zaytsev ◽  
T. Grassi ◽  
...  
Keyword(s):  
Refractive Index ◽  
Optical Properties ◽  
Time Domain ◽  
Complex Refractive Index ◽  
Far Infrared ◽  
Infrared Region ◽  
Thz Radiation ◽  
The Real ◽  
Thz Range ◽  
The Time Domain

Context. Reliable, directly measured optical properties of astrophysical ice analogues in the infrared and terahertz (THz) range are missing from the literature. These parameters are of great importance to model the dust continuum radiative transfer in dense and cold regions, where thick ice mantles are present, and are necessary for the interpretation of future observations planned in the far-infrared region. Aims. Coherent THz radiation allows for direct measurement of the complex dielectric function (refractive index) of astrophysically relevant ice species in the THz range. Methods. We recorded the time-domain waveforms and the frequency-domain spectra of reference samples of CO ice, deposited at a temperature of 28.5 K and annealed to 33 K at different thicknesses. We developed a new algorithm to reconstruct the real and imaginary parts of the refractive index from the time-domain THz data. Results. The complex refractive index in the wavelength range 1 mm–150 μm (0.3–2.0 THz) was determined for the studied ice samples, and this index was compared with available data found in the literature. Conclusions. The developed algorithm of reconstructing the real and imaginary parts of the refractive index from the time-domain THz data enables us, for the first time, to determine the optical properties of astrophysical ice analogues without using the Kramers–Kronig relations. The obtained data provide a benchmark to interpret the observational data from current ground-based facilities as well as future space telescope missions, and we used these data to estimate the opacities of the dust grains in presence of CO ice mantles.

Far-infrared spectrum and ground state constants of methyl amine

1987 ◽  
Vol 126 (2) ◽  
pp. 443-459 ◽  
Author(s):  
Nobukimi Ohashi ◽  
Kojiro Takagi ◽  
Jon T. Hougen ◽  
W.Bruce Olson ◽  
Walter J. Lafferty
Keyword(s):  
Infrared Spectrum ◽  
Ground State ◽  
Far Infrared ◽  
Methyl Amine

Refractive index of flames in the far infrared

1973 ◽  
Vol 6 (6) ◽  
pp. 774-780 ◽  
Author(s):  
G Hubner ◽  
A R Jones
Keyword(s):  
Refractive Index ◽  
Far Infrared

Evidence for soft modes at ≠ 0 in the far-infrared spectrum of Rb2ZnBr4

1980 ◽  
Vol 35 (3) ◽  
pp. 229-232 ◽  
Author(s):  
Th. Rasing ◽  
J.H.M. Stoelinga ◽  
P. Wyder
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Soft Modes

Raman and far infrared spectrum of C2N2

1973 ◽  
Vol 45 (1) ◽  
pp. 55-64 ◽  
Author(s):  
Llewellyn H. Jones
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared

The far infrared spectrum of magnesium hydride

1986 ◽  
Vol 84 (3) ◽  
pp. 1935-1937 ◽  
Author(s):  
K. R. Leopold ◽  
L. R. Zink ◽  
K. M. Evenson ◽  
D. A. Jennings ◽  
M. Mizushima
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared ◽  
Magnesium Hydride

scholarly journals Far‐Infrared Spectrum and Hindering Potential of Deuterium Peroxide

1966 ◽  
Vol 45 (8) ◽  
pp. 3141-3147 ◽  
Author(s):  
Robert H. Hunt ◽  
Robert A. Leacock
Keyword(s):  
Infrared Spectrum ◽  
Far Infrared
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