Constant width laser beam possible?
58074
Physics of Focusing a Laser
111506
Is it possible for light sources in Cycles to have nonphysical falloff like in BI?
127543
Determining the path of a light ray
97602
How to make an object emit light in Cycles?
12994
Is it physically possible to build a long zoom (17-300 mm for example) at an aperture value of around 1.4 or 1.2?
151176
If I point a torch up, would the photons hit anything?
127157
How to make a light emitting material sensitive to external light
142585
Is there a theoretical maximum for refractive index?
31156
Is light amplitude spatial?
116728
Why does speed of light have to be constant?
11130
Is it (theoretically) physically possible to project an image into thin air?
125473
Fresnel integral
21090
Using Nodes for Laser Line
65767
Any way to control light halos in the compositor based on emission level?
59419
Crafty solutions to the following limit
93178
Why does a laser beam diverge?
60690
Optical microscope magnification limits?