You want to concentrate it and hope that both light sources are kicking out light in the same wavelengths and phase, I'm guessing. Otherwise you'll have negative effects.
I'd ask this in "any questions".
@deleted started
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You want to concentrate it and hope that both light sources are kicking out light in the same wavelengths and phase, I'm guessing. Otherwise you'll have negative effects.
I'd ask this in "any questions".