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Diode laser picoseconde

FEEDBACK AND AMPLIFICATION drive the "lasing" process when many different wavelengths, or modes, of light oscillate in the cavity in precise synchrony , they add up to produce an intense pulse .
A periodic sequence of pulses emerges through the partially transmitting mirror.

The synchronization is obtained with the passive absorber mirror SESAM.

Output pulse width 1.6 ps
Energy 5pJ and a peak power of 3.1 W.
The repetition rate 20 GHz

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