A Laser Power Meter for Large Beams

  title={A Laser Power Meter for Large Beams},
  author={Donald A. Jennings and Estal Dale West},
A power meter is described in detail for large or divergent laser beams, either cw or repetitively pulsed. The meter measures the flow of heat generated by the beam and is calibrated with an electrical heater wound just behind the absorbing surface. The meter is capable of power measurements of 1 to 30 W accurate to ±2.5%. 


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