Database of Optical Constants for Cosmic Dust

Laboratory Astrophysics Group of the AIU Jena


Note: Users of these data are kindly asked to cite the original papers. Links to the literature can be found in the header of each class of materials. Thank you. H.M. 23/08/06

Selection
   

Optical Constants of Silicates:

Magnesium silicates (amorphous, sol-gel) (Jäger et al. 2003)
Mg(0.7) SiO(2.7)
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg SiO(3)
Spectran-k-Data

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Mg(1.5) SiO(3.5)
Spectran-k-Data

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Mg(2) SiO(4)
Spectran-k-Data

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Mg(2.4) SiO(4.4)
Spectran-k-Data

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Magnesium-iron silicates (glassy) (Jäger et al. 1994, Dorschner et al. 1995))
Mg SiO(3) [2.71 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg(0.95) Fe(0.05) SiO(3) [2.74 g/ccm]
Spectran-k-Data

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Mg(0.8) Fe(0.2) SiO(3)
Spectran-k-Data

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Mg(0.7) Fe(0.3) SiO(3) [3.01 g/ccm]
Spectran-k-Data

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Mg(0.6) Fe(0.4) SiO(3)
Spectran-k-Data

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Mg(0.5) Fe(0.5) SiO(3) [3.2 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg(0.50) Fe(0.43) Ca(0.03) Al(0.04) SiO(3) [3.2 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg(0.4) Fe(0.6) SiO(3)
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg Fe SiO(4) [3.71 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

n-k-Data Mg(0.8) Fe(1.2) SiO(4)
Spectran-k-data

Link to a 300dpi and a 600dpi image
 
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Alumino-silicates (glassy) (Mutschke et al. 1998)
Na Al Si(2) O(6) [2.40 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Na Al Si(3) O(8) [2.36 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Na Al Si(4) O(10) [2.30 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg2 Al Si2 O7.5 [2.82 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg3 Al Si3 O10.5 [2.93 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg4 Al Si4 O13.5 [2.90 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg9 Al Si9 O28.5 [2.81 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg Fe Al Si2 O7.5 [3.10 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg1.5 Fe1.5 Al Si3 O10.5 [3.10 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg2 Fe2 Al Si4 O13.5 [3.16 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Mg4.5 Fe4.5 Al Si9 O28.5 [3.16 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Ca2 Al2 Si O7 [2.91 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Ca2 Mg0.5 Al Si1.5 O7 [3.03 g/ccm]
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 
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Pyroxene Minerals (crystalline) (Jäger et al. 1998)
Spectra  

Link to a 300dpi and a 600dpi image
Enstatite (parallel to c-axis) n-k-Data
Enstatite (normal to c-axis) n-k-Data
Enstatite (normal to c-axis) n-k-Data
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Olivine minerals (crystalline) (Fabian et al. 2001, Zeidler et al. 2011)
Spectra  

Link to a 300dpi and a 600dpi image
Olivine Mg1.9Fe0.1SiO4(E||x) n-k-Data
Olivine Mg1.9Fe0.1SiO4(E||y) n-k-Data
Olivine Mg1.9Fe0.1SiO4(E||z) n-k-Data

Olivine in the UV-VIS-NIR (non-oriented)
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Additional informations about the olivine n-k-Data

Spectra  

Link to a 300dpi and a 600dpi image
Fayalite Fe2SiO4 (E||x) n-k-Data
Fayalite Fe2SiO4 (E||y) n-k-Data
Fayalite Fe2SiO4 (E||z) n-k-Data

Fayalite in the UV-VIS-NIR (non-oriented)
Spectran-k-Data

Link to a 300dpi and a 600dpi image
 

Additional informations about the fayalite n-k-Data

San Carlos Olivine in the VIS-NIR (oriented)
Spectra  

Link to a 300dpi and a 600dpi image
Olivine Mg1.96Fe0.16Si0.89O4 (E||x) n-k-Data
Olivine Mg1.96Fe0.16Si0.89O4 (E||y) n-k-Data
Olivine Mg1.96Fe0.16Si0.89O4 (E||z) n-k-Data

Sri Lanka Olivine in the VIS-NIR (oriented)
Spectra  

Link to a 300dpi and a 600dpi image
Olivine Mg1.56Fe0.4Si0.91O4 (E||y) n-k-Data
Olivine Mg1.56Fe0.4Si0.91O4 (E||z) n-k-Data
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All n-k-Data tables in the links consist of three columns. The first one contains the wavelength in micron or the wavenumber in 1/cm. The second one is the real part of the complex refractive index (n), the third one is the imaginary part (k). Values in brackets given after the chemical formulae are the material densities (if available).


For the details of the derivation of all n-k-Data we refer to the mentioned publications (see the List of Publications).


Optical Database main page Laboratory main page Institute home page

First design: Harald Mutschke, September 2002
Images created by Hannes Richter (Sternwarte Wien)
New Design: Jürgen Weiprecht, October 2004 and new ideas from Thomas Posch in Februar/March 2005
Last modified: 06.03.2005, 07-17.03.2005 Malte Meinecke, Benedikt Pfrimmer
Content checked: Harald Mutschke, 18.04.2005
Last modified: 20.04.2005 JW