| The Sopra S.A. company in France made its optical database
available.  All the data files, except Sopra's special alloy format, were converted to the TFCalc 
format by Software Spectra.  This data is offered at no cost. 
The only drawback to the Sopra data is that, for most of the materials, there is
no indication of the origin of the sample which was measured.  Ideally you would
want to know how the sample was prepared and measured. 
To download the TFCalc-format files, choose either
Macintosh (1024K) or
Windows (728K).  
In either case, the file is a self-extracting application -- you run it and it will ask you
where the files should be stored.  A "Read Me" file describes all the material files.
With a 28.8K modem, the file should take about 5 minutes to download. 
The data can be grouped into 13 categories:
 
II-VI Compounds
    
    Mercury Cadmium Telluride -- 3 compositions
    Zinc Cadmium Telluride -- 7 Cadmium concentrations
    Zinc Sulfide (cubic)
    Zinc Selenide
    Zinc Selenium Telluride -- 7 Tellure concentrations
     
    
III-V Compounds
    
    Gallium Arsenide
    Gallium Arsenide -- 28 temperatures
    Gallium Arsenide (100)
    Gallium Arsenide (111)
    Gallium Phosphide
    Gallium Phosphide (100)
    Gallium Antimonide
    Indium Antimonide
    Indium Arsenide
    Indium Gallium Antimonide -- 7 Gallium compositions
    Indium Gallium Arsenide
    Indium Gallium Arsenide (strained) -- 4 Gallium compositions
    Indium Gallium Arsenide (relaxed) -- 4 Gallium compositions
    Indium Phosphide
     
    
Aluminum Compounds
    
    Aluminum
    Aluminum Arsenide
    Aluminum Arsenide -- 22 temperatures
    Aluminum Copper
    Aluminum Gallium Indium Phosphide -- 6 Aluminum compositions
    Aluminum Gallium Arsenide -- 11 Aluminum compositions
    Aluminum Antimonide
    Aluminum Silicon
    Aluminum Silicon Titanium
     
    
Germanium Compounds
    
    Germanium
    Germanium (100)
    Silicon Germanium alloy -- 6 compositions
    Silicon Germanium alloy (relaxed) -- 9 compositions
    Silicon Germanium alloy (strained) -- 4 compositions
    Silicon Germanium alloy on Germanium
    Silicon Germanium alloy on Silicon
     
    
Glasses
    
    Corning 7059
    7059
    BK7
    LASF9
    SF11
     
    
Metals
    
    Cobalt (bulk)
    Cobalt (hexagon thin films)
    Chromium
    Copper
    Gold
    Iridium
    Molybdenum
    Nickel
    Osmium
    Palladium
    Platinum
    Rhodium
    Silver
    Tantalum
    Titanium
    Vanadium
    Tungsten
     
    
Nitrides
    
    Silicon Nitride
    Titanium Nitride
     
    
Oxides
    
    Aluminum Oxide 1
    Aluminum Oxide 2 (from Palik)
    Cuprous Oxide
    Cupric Oxide
    Gallium Arsenide Oxide 1
    Gallium Arsenide Oxide 2
    Gallium Phosphide Oxide
    Gallium Antimonide Oxide
    Hafnium Oxide
    Indium Antimonide Oxide
    Indium Arsenide Oxide
    Indium Phosphide Oxide
    Silicon Dioxide
    Silicon Monoxide
    Silicon Monoxide 1
    Tantalum Oxide 1
    Tantalum Oxide 2
    Titanium Oxide 1
    Titanium Oxide 2
    Yttrium Oxide
    Zirconium Oxide
     
    
Oxynitrides
    
    Aluminum Oxynitride
    Silicon Oxynitride -- 5 compositions
     
    
Silicides
    
    Cobalt Silicide
    Chromium Silicide 1
    Chromium Silicide 2
    Chromium Silicide 3
    Iron Silicide 1
    Iron Silicide 2
    Iron Silicide 3
    Hafnium Silicide
    Iridium Silicide 1
    Iridium Silicide 2
    Molybdenum Silicide
    Niobium Silicide
    Nickel Silicide 1
    Nickel Silicide 2
    Nickel Silicide 3
    Palladium Silicide
    Rhenium Silicide
    Tantalum Silicide
    Titanium Silicide
    Vanadium Silicide
    Tungsten Silicide
    Zirconium Silicide
     
    
Silicon
    
    Amorphous Silicon
    Amorphous Silicon 1
    Amorphous Silicon 2
    Crystalline Silicon
    Crystalline Silicon -- 3 orientations
    Crystalline Silicon -- 9 temperatures
    Polysilicon 1
    Polysilicon 2
    Porous Silicon
     
    
Silicon Compounds
    
    Silicon Arsenide
    Silicon Carbide
     
    
Miscellaneous
    
    Amorphous Carbon
    Barium Fluoride
    Calcium Fluoride
    Cadmium Selenide
    Cadmium Telluride
    Cubic Carbon -- diamond
    Hexachoromethane
    ITO -- Indium Tin Oxide
    Lead Selenide
    Lead Sulfide
    Lithium
    Lithium Fluoride
    Magnesium Fluoride
    Potassium Fluoride
    Thorium Fluoride
    Water
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