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Thread: Splitting a laser with a crystal

  1. #1 Splitting a laser with a crystal 
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    I was trying to figure out if you could effectively split a laser, or a pure beam of light of one colour, many times. The idea would be to take a single point of light shining on a wall and turn it into a grid of regularly spaced dots.

    does anyone know if this has or can be done? if it hasn't been done, would it be able to engineer a crystal that would do this?


    Josh
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  3. #2  
    Forum Bachelors Degree
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    Physicists were splitting beams of light back in the 19th century. They used such devices as half-silvered mirrors or double-refracting crustals of calcite. Such methods still work.


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  4. #3  
    Forum Junior Twaaannnggg's Avatar
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    You can buy beam splitters or prisms or Bragg gratings in any good lab-supply warehouse, depending on what you want to spend.
    Build a man a fire and he will be warm for a day, set a man on fire and he will be warm for the rest of his life.
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  5. #4 secondary question 
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    would it be possible to split the laser several times with one crystal, like a carefully cut diamond or somthing?
    Josh
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