Abstract: For three-dimensional (3D) imaging based on fringe projection profilometry (FPP), maximum fringe frequency selection and fringe frequencies allocation have a significant impact on the ...
A spectrometer is a pretty common lab instrument, useful for determining the absorbance of a sample across a spectrum of light. The standard design is simple; a prism or diffraction grating to ...
This is used to render the dispersive lobes of a diffraction grating, as demonstrated in the images below. A sample scene with diffractive materials can be found here. Other PBRT, Falcor and mitsuba ...
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