Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Sonja, Höfer"'
Autor:
Johanna Bürger, Thilo Glißmann, Anthony Lethuillier, Dorothea Bischoff, Bastian Gundlach, Harald Mutschke, Sonja Höfer, Sebastian Wolf, Jürgen Blum
Optical properties are required for the correct understanding and modelling of protoplanetary and debris discs. By assuming that comets are the most pristine bodies in the solar system, our goal is to derive optical constants of real protoplanetary m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56076f1b240b163daff8aca725cc7bfc
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 205:243-250
A single crystal of monoclinic sodium dichromate dihydrate was investigated by FTIR-spectroscopy in the spectral region of 4000–80 cm−1. On the measured reflection spectra dispersion analysis was performed to gain the oscillator parameters of the
Autor:
Harald Mutschke, Jürgen Blum, Sonja Höfer, Anthony Lethuillier, Bastian Gundlach, Johanna Bürger, Thilo Glißmann
Introduction Optical properties are required information for correct models of the early solar system and protoplanetary disks. To this day the properties used in the models are mostly provided by laboratory studies of primitive analogs. Comets provi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4c6d51901c1b5f64a1799d568f04800
https://doi.org/10.5194/epsc2020-140
https://doi.org/10.5194/epsc2020-140
Autor:
Thomas G. Mayerhöfer, Jürgen Popp, Albert Kwasniewski, Reinhard Uecker, Sonja Höfer, Vladimir Ivanovski
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 185:217-227
Dispersion analysis is applicable to arbitrarily cut monoclinic crystals of unknown orientation in order to find the symmetry axis. By this it is possible to differentiate between the transition moments oriented parallel and normal to the b-axis and
Autor:
Albert Kwasniewski, Jürgen Popp, Reinhard Uecker, Thomas G. Mayerhöfer, Vladimir Ivanovski, Sonja Höfer
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 180:67-78
We developed a measurement and evaluation scheme to perform dispersion analysis on arbitrarily cut orthorhombic crystals based on the schemes developed for triclinic and uniaxial crystals. As byproduct of dispersion analysis the orientations of the c
Publikováno v:
Physical chemistry chemical physics : PCCP. 21(19)
Beer's law assumes a linear dependence of absorbance on concentration, accordingly the index of absorption and the molar attenuation coefficient are material properties and the absorption cross section, including absorbance itself, must be additive i
Publikováno v:
Vibrational Spectroscopy. 83:151-158
A single crystal of yttrium orthosilicate was investigated by FTIR-spectroscopy in the spectral region of 150⬜2000 cm ↙1 to properly characterize this laser medium. The five reflection spectra of the crystal in principal orientation were evaluate
Publikováno v:
Physica B: Condensed Matter. 597:412398
A classical way of describing dielectric functions employs sums of contributions from damped harmonic oscillators. We derive the corresponding dispersion relations for the dielectric function and the inverse dielectric function to investigate and est
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 223
We present a dispersion analysis of the orthorhombic peptide single crystal Z-Aib-Aib-Aib-L-Ala-OtBu (N-benzyloxycarbonyl-α-aminoisobutyryl-α-aminoisobutyryl-α-aminoisobutyryl-L-alanine tert-butyl ester, C
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 223:117368
We present a dispersion analysis of the orthorhombic peptide single crystal Z-Aib-Aib-Aib-L-Ala-OtBu (N-benzyloxycarbonyl-α-aminoisobutyryl-α-aminoisobutyryl-α-aminoisobutyryl-L-alanine tert-butyl ester, C27H42N4O7), where Z is benzyloxycarbonyl a