Gradient Index Lens Explained

Описание к видео Gradient Index Lens Explained

This is short is about how a Gradient Index Lens (or GRIN lens) works compared to how a normal confocal lens with curved glass interfaces operates.

The diffraction inside the lens is probably due to the fact that the refractive index gradient is not exactly correct. The total gradient is approximated from 5 linear gradients instead of 1 smooth circular gradient. This is probably the reason for the observed interference pattern observed.

The simulations were made using the code supplied by ‪@DiffractionLimited‬

Music: Nebular Focus by Dan Henig

#optics #light #physics

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