What is the strongest color in laser light?

Answer 1

It depends on your definition of 'strong'.

In terms of photon energy, violet light is the most energetic.

In terms of sensitivity of the human eye to light, green is the strongest. In other words, for the same intensity of red photons or green photons, we see the green ones as 'brighter'.

So, you have to define 'strong' either as in terms of energy or intensity (the two are not the same).

Here's another way to look at it. I can shine a 1 Watt green laser (very powerful) on my skin and not receive so much as a skin rash. But, I can shine a 0.01 Watt UVA laser on my skin and get a sun-burn spot within seconds.

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Answer 2

i think blue because the blue light is used to clean the statues with the laser bin