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  1. D

    polarization

    now i know you can polarize light with a type of lens and reflect it back using brewster, but is there a way to "flip" the polarization of the photons so that on their next cycle they ARE polarized properly to flow through the original lens?
  2. D

    MW pulse laser

    I want one! REAL homemade Pulse Laser Gun ! in HIGH SPEED ! - YouTube
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    kerr cell

    has anyone heard of these, does anyone know if/how they work? if I used one as a shutter what would happen when the shutter is closed? could it contain a beam? also what happens to the light that doesnt escape does it reflect back in to the cavity or would it be absorbed as heat?
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    newb

    hey, im just starting in to my own laser project and as I look around to see whats best i notice first thing is that every one is different, different color, different type, different drivers, but i wonder what is best>? now when I say is best i am referring to cutting power of course and...


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