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How to create a Gaussin beam in time-harmonic mode

Posted Mar 8, 2011, 9:16 p.m. EST RF & Microwave Engineering Version 4.0a 1 Reply

Jie Xiang
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Hi, COMSOL players,

I am now working on COMSOL RF module to create a Gaussian beam.
In the tutorial model "Second harmonic generation of a Gaussian beam", we learned how to create a Gaussian beam in time-transient mode.

My question is how to create a Gaussian beam in time-hrmonic mode? Can we create a Gaussian beam along oblique direction?

Thanks in advance!

--
Jie
1 Reply Last Post Sep 25, 2013, 1:44 p.m. EDT
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Hello Jie Xiang

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Peijun Guo
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Posted: 1 decade ago Sep 25, 2013, 1:44 p.m. EDT
Hi Jie, did you figure this thing out?
I am having the same problem - I would like to setup an oblique incident Gaussian beam. The only way that I can think of now is to rotate the simulation domain to achieve the same effect of having an oblique Gaussian beam. I am sure by doing some algebra it would be possible to rotate the Gaussian beam but I have not worked it out.
Thanks,
Hi Jie, did you figure this thing out? I am having the same problem - I would like to setup an oblique incident Gaussian beam. The only way that I can think of now is to rotate the simulation domain to achieve the same effect of having an oblique Gaussian beam. I am sure by doing some algebra it would be possible to rotate the Gaussian beam but I have not worked it out. Thanks,

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