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Recent content by buyucu

  1. B

    IR Laser pointer spot is not dot

    Hi I am trying to make 500mW IR laser pointer. I ordered LCU80E041A diodes. and 9-18-21mm lenses. I believe I successfully drive the diode. But when I focus the beam to a 30m target the spot that I get is not a dot. It is a line (1/8 rectangle). I think that it is the image of the radiating...
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