Re: Deflection through anamorphic prism pair

"Helpful person" <rrllff@xxxxxxxxx> writes:

> John Ricketts wrote:
> > I already have a few hundred of these prisms! I decided to make up a plate
> > with dowels to mount up prisms, align a laser into the nanoscan window and
> > then shim the prisms over by 6mm with slips and see how much the error is.
> > Why is so much optical stuff trial and error (usually many trials and lots
> > of errors?) ;-)
> >
> > John
> >
> There is no trial and error if you design systems correctly. This
> includes defining tolerances correctly which too many people think is
> not necessary. Trial and error is only needed when the design
> "engineer" does not do their job correctly.

So, when's the last time you saw a commercial lsaer that wasn't tweaked
during final assembly? :)

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