(Untitled)
1 min read

(Untitled)

(Untitled)

Three views of the same flasks of fluorescent rhodamine dye.  At the far right is a picture of how the flasks look under regular room lights.  In the middle, the scene is illuminated by a UV-emitting flashlight (otherwise known as a blacklight).  Under this strong, high-energy illumination, the fluorescence from the dye is much more evident.  Finally, in the picture at the left, I’m illuminating with the UV flashlight, but using a filter in front of the camera to get rid of the light from the UV flashlight, so only the fluorescence remains.