Oh, one other thing to mention about speed/specs on laser systems. The
rated "speed" is usually depending on the laser being setup at a particular
'angle'. (Basically the maximum degree of deflection from center.) Smaller
angles yield smaller images, but are faster. Similarly, the "speed" is also
tuned for a particular frame rate (there are adjustments on the galvo driver
boards for this). How much of a difference it makes on more "dynamic"
content like a vector game, I don't know. (But incorrect tuning results in
missing endpoints, over/undershoots, etc.)
The ILDA type +/-15V levels are essentially "maximum deflection", and you'd
actually run with a smaller swing in between for any sort of reasonable
speed. (The widest angles are best suited for 'beam show' type stuff unless
you have a really, really expensive setup.)
-Clay
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Received on Thu Dec 22 13:40:32 2011
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