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Constructing laser light source
Posted Mar 12, 2012, 8:32 a.m. EDT RF & Microwave Engineering 1 Reply
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Hello all,
As light source in my real life setup I have a Helium Neon laser emitting light at lamba = 632[nm] with a spotsize of 0.8[mm].
In Comsol I want simply (as start) to let this light propagate from vacuum (refractive index = 1) into a block of glass (refractive index ~2).
What is the simplest way to 'construct' this laser light source? (I'm currently using version 4.2a)
Kind regards,
Arjan
As light source in my real life setup I have a Helium Neon laser emitting light at lamba = 632[nm] with a spotsize of 0.8[mm].
In Comsol I want simply (as start) to let this light propagate from vacuum (refractive index = 1) into a block of glass (refractive index ~2).
What is the simplest way to 'construct' this laser light source? (I'm currently using version 4.2a)
Kind regards,
Arjan
1 Reply Last Post Mar 12, 2012, 11:31 a.m. EDT
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Posted:
1 decade ago
Hi
if you are at the beam waist, you can use a Gaussian amplitude profile and a flat/plane E field and let that propagate. This should give you about an "gaussian" beam propagation of your laser energy
--
Good luck
Ivar
if you are at the beam waist, you can use a Gaussian amplitude profile and a flat/plane E field and let that propagate. This should give you about an "gaussian" beam propagation of your laser energy
--
Good luck
Ivar