I propose this question largely due to this video (see 4:19) and how it describes light going through polarized lenses. The effect described there could be explained if you consider light to function like a gas, in that it fills whatever space it is in.
At first glance you might think that there is no "container" therefore it is not filling a space. However, consider the light that around lenses as a thicker substance. The light being filtered would only be allowed to pass through at a certain angle, and therefor would have overall less total energy. In theory, the light around the lens is acting as a wall, while the filtered light expands to fill the void. In essence, this could be compared to how cavitation works on boat propellers.
My Question: Are there any studies that could disprove or prove this theory?