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1. A 940 nm laser diode with 500 mW of continuous wave power is pulsed with 100 ns long pulses. The laser beam is focused
1. A 940 nm laser diode with 500 mW of continuous wave power is pulsed with 100 ns long pulses. The laser beam is focused at a full convergence angle of 120 mrad in a laser system. Assume rectangular pulse shape and diffraction limited spherical gaussian beam. Calculate the fluence of the beam of a single pulse. Please estimate how the laser system could be used in laser processing.
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