The authors present a survey of methods and physical principles applicable in both harvesting the energy of the infrared spectrum within broadband electromagnetic radiation and ensuring the ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

At GIA’s laboratory, visible spectra of diamonds are recorded with a spectrophotometer. Since diamond is optically isotropic, the same spectrum can be recorded in any direction through the sample. The ...