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TFCompanion Materials Tutorial © 2004 SemiconSoft, Inc. TFCompanion ver. 2.65
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What’s in Tutorial You will learn: 1.What material types are supported 2.How to import/export materials and create material library 3.How to create new materials 4. How to find initial values of parameterized materials
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What material types are supported How to import/export materials and create material library How to create new materials How to find initial values of parameterized materials
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Material Types TFCompanion supports Tabular and Parameterized materials. Tabular materials are represented by the list (table) of optical constants at fixed wavelengths Parameterized materials are represented by dispersion expressions
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Tabular Materials Tabular materials data is taken from the different sources e.g. “Optical constants of Solids”, ed. By E. Palik New tabular materials can be created with data either imported from text file or input manually in the table
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Parameterized materials Following materials are currently supported: Cauchy –Cauchy (dielectric) –CauchyK(both n and k) –CauchyKExp(exponential k) Sellmeier Oscillator –Harmonic oscillator –Tauc-Lorentz oscillator –Drude-Lorentz oscillator
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Parameterized materials Effective Medium approximation(EMA) –Bruggeman(2 &3 constituents) –Compound (composition interpolation) –Form Birefringence (microstructure induced anisotropy) New Parameterized materials can be created and edited
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What material types are supported How to import/export materials and create materials library How to create new materials How to find initial values of parameterized materials
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Materials Data Import/Export TFCompanion supports import and export of Tabular materials from/to text file SOPRA and TFCompanion material formats are supported Examples of material files are in /materials/matfiles/ directory in TFCompanion installation
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Materials Data Import/Export Material data can be imported in Material Editor(import/export) or Material Library (only import) dialogs. In the next slides we will review the steps to IMPORT and EXPORT materials data.
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Material Import/Export Using Material Editor is a preferred way to Import (and the only way to Export) material to/from text files; Material library dialog is useful when one needs to: –Create new library or open another library and import materials to this –Import many material files
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What material types are supported How to import/export materials and create material library How to create new materials How to find initial values of parameterized materials
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Create New Material Material can be edited manually Default wavelength range(min/max) and number of points of the new materials can be customized using Configuration Dialog. Material can be modified using templates We will discuss these options on the next few slides
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Material can be edited manually Default wavelength range(min/max) and number of points of the new materials can be customized using Customization Dialog Material can be modified using templates Templates are set in Customization Dialog
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Material can be edited manually Default wavelength range(min/max) and number of points of the new materials can be customized using Customization Dialog Material can be modified using templates. Templates are set in Customization Dialog
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New templates can be created in Customization Dialog We will now briefly show the process
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Material can be edited manually Default wavelength range(min/max) and number of points of the new materials can be customized using Customization Dialog Material can be modified using templates. Templates are set in Customization Dialog
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What material types are supported How to import/export materials and create material library How to create new materials How to find initial values of parameterized materials
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Fitting parameterized material to a tabular is NOT trivial: Material model must be valid to describe dispersion Model can be complex and require several steps Now we show example of more complex fit : Harmonic Oscillator to SiGe
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End of Tutorial In this tutorial we reviewed: 1.What material types are supported 2.How to import/export materials and create material library 3.How to create new materials 4. How to find initial values of parameterized materials
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