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- Jul 8, 2012
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Hi guys!
I need help to understand how SHG occurs in KTP crystals.
So far this is what I got :
In the crystal : the pump wave (light) creates a polarization wave twice it's frequency (due to non linearity). This wave then creates an electromagnetic field. Is this electromagnetic field considered as light (with double frequency)? I'm not quite sure I understand what's going on there.
And I read that it was essentially two photons "merging" into one with twice the energy but I don't know where that happens in the explanation I just gave.
If you guys could explain me how this works that'd be awesome !
I need this to explain how DPSS lasers work
Thanks !
I need help to understand how SHG occurs in KTP crystals.
So far this is what I got :
In the crystal : the pump wave (light) creates a polarization wave twice it's frequency (due to non linearity). This wave then creates an electromagnetic field. Is this electromagnetic field considered as light (with double frequency)? I'm not quite sure I understand what's going on there.
And I read that it was essentially two photons "merging" into one with twice the energy but I don't know where that happens in the explanation I just gave.
If you guys could explain me how this works that'd be awesome !
I need this to explain how DPSS lasers work
Thanks !
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