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| Joined: | Nov 7th, 2007 |
| Location: | Alabama USA |
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The quick answer to that question is no. Light is a composite of the electro-magnetic spectrum that extends from 0 Hz to the unknown. But the example of the rainbow proves to us that all frequencies of light can exist in harmony without interruption one to the other.
Question: Can light block light?
Just as many radio frequencies can be broadcasted throughout the atmosphere, to find any one of them is easy by tuning a radio receiver to that fequency. The other frequencies will not interfere.
Another example would be a light curtain. This is a device that, through carefully focused lenses, beams light in the same way a curtain hangs from its supports, to a point. Think of this as simply a curtain, without pleats, hanging in front of you. Now take a flashlight, and aim its beam directly through the curtain of light. The beam from the flashlight will pass freely. However, there will be collision of light particulates.
Let's say the curtain is transmitting the visible spectrum of light. The flashlight is only transmitting roughly 2000 degrees Kelvin. The 2000 K particules of light from the curtain would collide with the beam of the flashlight, and not be blocked, but bend in their direction by careening those particules of that same frequency.
Again, I'm sorry for a long explain.
Hope this helps,
Jeff