Current laboratory projects (under Construction!)


Optical constants of iron compounds (C. Kranhold)

  • Project within DFG Research Unit 2285 ``Debris Disks in Planetary Systems'', Phase II, P5
  • Collaboration with Institut für Geowissenschaften (FSU), F. Langenhorst, D. Harries


THz absorption of carbonaceous materials (J. Greif)

  • Collaboration with I. Phys. Institut der Universität zu Köln (Cologne), F. Lewen, F. Eupen
  • Publications
    - J. Greif, H. Mutschke, F. Eupen, F. Lewen, ``Temperature Dependent Laboratory Measurements of the Far-Infrared to MM Opacities of Amorphous Carbonaceous Dust Analogues'', EPSC-DPS Joint Meeting 2019, EPSC Abstracts Vol. 13, EPSC-DPS2019-1510-1


Optical constants of water ice (D. Häßner, H.Mutschke)

  • Collaboration with Institut für Geophysik und extraterrestrische Physik (TU Braunschweig), J. Blum, and with
  • Arbeitsgruppe Laborastrophysik des MPIA Heidelberg am IFK (FSU), C. Jäger, A. Potapov
  • Publications
    - D. Häßner, H. Mutschke, J. Blum, T. Zeller, B. Gundlach ``Laboratory measurements of the sub-millimetre opacity of amorphous and micro-particulate H2O ices for temperatures above 80 K'', MNRAS ,481, 5022, 2018
    - A. Potapov, H. Mutschke, P. Seeber, T. Henning, C. Jäger, ``Low-temperature Optical Properties of Interstellar and Circumstellar Icy Silicate Grain Analogs in the Mid-infrared Spectral Region'', ApJ, 861, id. 84, 2018
    - C. Reinert, H. Mutschke, A. Krivov, T. Löhne, P. Mohr, ``Absorption of crystalline water ice in the far infrared at different temperatures'', Astron. Astrophys., 573, A29, 2015


Far-IR absorption of amorphous and crystalline silicates (P.Mohr)

  • Project within DFG Priority Programme ``Physics of the Interstellar Medium''
  • Collaboration with I. Phys. Institut der Universität zu Köln (Cologne), F. Lewen, T. Dressler
  • Publications
    - H. Mutschke, P. Mohr, ``Far-infrared continuum absorption of forsterite and enstatite at low temperatures'', Astron. Astrophys., 625, A61, 2019
    - S. Zeidler, H. Mutschke, Th. Posch, ``Temperature-dependent infrared optical constants of olivine and enstatite'', Astrophys. J., 798, 125, 2015
    - H. Mutschke, S. Zeidler, H. Chihara, ``Low-temperature absorption of olivine at far-infrared wavelengths'', Earth Planets Space, 65, 1139-1143, 2013


Particle optics

  • Collaboration with Leibniz Institute of Photonic Technology (IPHT), Jena, S. Höfer, Th. Mayerhöfer, and
  • Kirchhoff Institute for Physics, Heidelberg University, A. Tamanai, A. Pucci
  • Publications
    - S. Höfer, H. Mutschke, Th. G. Mayerhöfer, ``Effects of anisotropy on absorption cross-section spectra of medium-sized spheroidal corundum particles'', Astron. Astrophys., 646, A87, 2021
    - A. Tamanai, J.Vogt, C. Huck, U. Mick, S. Zimmermann, R. Tazaki, H. Mutschke, A. Pucci, ``Experimental verification of agglomeration effects in infrared spectra on micron-sized particles'', Astron. Astrophys. 619, A110, 2018
    - H. Mutschke, M. Min, and A. Tamanai, ``Laboratory-based grain shape models for simulating dust infrared spectra'', Astron. Astrophys., 504, 875, 2009
    - A. Tamanai, H. Mutschke, J. Blum, Th. Posch, C. Koike, and J.W. Ferguson, ``Morphological Effects on IR Band Profiles: Experimental spectroscopic analysis with applications to observed spectra of oxygen-rich AGB stars'', Astron. Astrophys., 501, 251, 2009

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