Laser beam divergence and spot size

Assignment

  1. Using the apparatus given, verify whether a laser beam profile is Gaussian or not.
  2. Calculate the beam divergence and spot size of the laser with wavelength = 530 nm.
  3. Find the spot size of the three laser beams provided in the simulator and comment.
  4. Calculate the beam divergence and spot size of He-Ne laser.
  5. Calculate the spot size of Argon laser using the apparatus given in the simulator.