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What is M2
M2, or Beam Propagation Ratio, is a value that indicates how close a laser id to being a single mode TEM00 beam. This in turn relates to how small a spot a laser can be focused
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M2, or Beam Propagation Ratio, is a value that indicates how close a laser id to being a single mode TEM00 beam. This in turn relates to how small a spot a laser can be focused
