Contents Labs » 3D Energy Density Lab » Graded Material File AnalysisPrint page Graded Material File Analysis The following chapter helps you analyze the content of graded index materials. This section contains the following topics:Importing a Graded Material FileThe following page helps you import a Graded Material file into 3D Energy Density Lab.Understanding How to Analyze a Graded Material FileThanks to the 3D Energy Density Lab you can import a graded index material file to view its content. « Defining a New Light Source SpectrumImporting a Graded Material File »