2 ms·
It's probably an optic with a coating that reflects some percentage (probably a small percentage) of the light, and a second detector. http://www.edmundoptics.
by fnordfnordfnord 13y ago
It's probably an optic with a coating that reflects some percentage (probably a small percentage) of the light, and a second detector.
http://www.edmundoptics.com/optics/beamsplitters/ http://www.edmundoptics.com/optics/beamsplitters/