Running a “simulation” with the red laser removes any doubt before firing ... to follow the same course through the machine’s mirrors. Not only is it tricky to adjust, but it’s also ...

Back in 2001, [Helmar] made an awesome monochrome video display out of a red laser pointer and a spinning 18-sided mirror. Blue and green lasers are much less expensive than they were a decade ago ...

Here I discuss the filters and dichroic mirrors used in the beam path, with an emphasis on Chroma's modified magnetron sputtering technology, MMS™: zet488/10x laser clean-up filter, zt488rdc ...