Projects

IR-Emission spectroscopy of hot dust 

(G. Rouillè, R. Schreyer, H. Mutschke)

• Project supported by DFG with grant MU 1164/11-1
• Start 01/07/2024

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 optical properties of cometary surface analogs

(L. Kruhöffer, V. Prange, C. Kranhold)

• Project within DFG Research Unit 2285 ``Debris Disks in Planetary Systems'', Phase II, P5
• Collaboration with Institut für Geophysik und extraterrestrische Physik (TU Braunschweig), J. Blum
• Publications
  - Bachelor thesis V. Prange, ``Submillimeter-/Millimeter-Spektroskopie von kometenoberflächenähnlichen Materialien'', 2023

THz absorption of carbonaceous materials 

(J. Greif, R. Schreyer, H. Mutschke)

• 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
  - Bachelor thesis R. Schreyer, ``Ferninfrarotspektroskopie von kohlenstoffhaltigen Materialien'', 2023

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

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