How to increase the thickness of the laser beam?

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petro20332014-03-30 11:54:10

lasers

petro2033, 2014-03-30 11:54:10

Good afternoon, I will go straight to the question. There is such a video www.youtube.com/watch?v=T-XoN1Ts6Wg
1) What is the approximate power of the laser used there?
2) Will this www.aliexpress.com/item/532nm-50mw-3v-green-laser-...
3) How to increase the thickness of the laser beam? Just a power boost?
4) What conditions are needed for a good vision of the laser beam?

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1 answer(s)

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Denis Ineshin, 2015-08-09
@Monisa

Like this: jsfiddle.net/IonDen/k59m0qyv