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Ultraviolet Laser Beam Shaping With Constraints

  1. Apr 23, 2017 #1
    1. The problem statement, all variables and given/known data
    w0oJKgg.jpg
    BbUicAL.jpg

    2. Relevant equations
    Lens equation
    1/f = 1/d_o + 1/d_i

    Minimum Gaussian beam spot
    2*w_0 = ((4 * lamda * F)/(pi * D))

    Where:
    w_0 = beam waist (half beam diameter)
    lambda = wavelength
    F = focal length of lens
    D = diameter of incoming spot

    Don't forget to match units.

    Let me know if you would like any clarifying questions. I wrote this problem out on paper and didn't want to type so I embedded images instead. I hope this isn't a problem.

    P.S. distance between mirrors is 4 inches.

    Thank you for any help
     
  2. jcsd
  3. Apr 23, 2017 #2

    gneill

    User Avatar

    Staff: Mentor

    The images are too small to be read easily. Handwriting (particularly someone else's, is all but indecipherable at this resolution. Members using mobile devices won't have a hope of reading it, never mind referencing or quoting portions of it. Please type out your question and and attempt at solution and use images as supporting material.
     
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