Re: laser optics design

On Wed, 25 Jul 2007 05:02:24 -0000, kan <kanikpalodhi@xxxxxxxxx>
wrote:

hello

I am a new fellow in this field.

Please help me out suggesting which software to use for designing
laser systems, or gaussian optics systems.

is there any good books which deal with the problems of gaussian
optics design?

Designing laser optics is much less demanding than photographics
imaging optics to my point of view.
Most important is realizing what the diffraction limit is. It is
determined by the beam waist size. Then you can also define a very
smal field of view that is basically your alignment tolerance.

So you have to correct for spherical aberration mainly, but also coma
to the extent of alignment accuracy. Astigmatism should be no problem
if the laser is free for it (not a diode). Then color aberration, -
normaly you don't regard more than one laser line, but argon lasers
might have several, also simutaneously.

So I would suggest to use a normal Lens Design program with real
raytracing.
Are you just thinking of beam expansion and focusing ?
I am not experienced with f-theta lenses for scanning.

best regards

John
.

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