Well heck, that is very cool then because it is very difficult to get it right (unless you are using fibers with a HUGE core (>500 micron) (plastic 1mm fiber should be NO problem)
The scanner(s) move in an arc so when it gets to its first position launcher, that particular launcher must be aligned perpendicular (in both axis's) for it to couple properly to the fiber face, the more launchers the more the problems. Also the scanners must have perfect repeatability mechanically and thermally to hit the same place over and over, because if at least those two conditions are not met you will have a pile of problems.
I explained all of the above so that anyone who want to try it out would know what to look for, explanation was not necessarily meant to inform QUAZAR.
Pat B
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Been there, done that, got the t-shirt & selling it in a garage sale.
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Originally Posted by Laserman532
) - using 6800s - and there was drift, even with that much 'slop' on the mirrors - I had to do at least one 'offset' correction (granted, minor..) to each system every day before show-time... I can't imagine doing 6 fiber-launchers... even if the launchers were all super-close / crammed right-up to the galvo...unless, as Pat posed, these were like 'firehose-diameter' fibers... 
....and armed only with his trusty 21 Zorgawatt KTiOPO4...
