the onestoplasershop.com (also re-sold by CTLASERS.com) are rectangles 1"x.5". they will custom cut them if you need square.

Originally Posted by
Stoney3K
BTW, is there any company that makes SQUARE dichros for mounting to these and to Dave's flexure mounts?
Not that the regular round dichro's don't work, but they don't look as pretty and you're basically wasting space on a piece of mirror that's not doing anything.
suppose you're thinkin' about a plate o' shrimp. Suddenly someone'll say, like, plate, or shrimp, or plate o' shrimp out of the blue, no explanation. No point in lookin' for one, either. It's all part of a cosmic unconciousness.