Generation of short pulses (Q-Switch)

E5.2.7.5 Generation of short pulses (Q-Switch)


  • Optical pumping.
  • Fiber coupled pump laser.
  • Q-switching.
  • Nd:YAG Laser.
  • Pockels cells.
  • Generation of shortm pulses.
  • Computer control.
Principle of operation

The basic set-up of the diode pumped Nd:YAG laser is enhanced by the saturable absorber module L which is placed into the laser cavity formed by mirror M1 and M2. The initial absorption prevents the laser oscillation. By increasing induced emission due to the optical pump process the absorption decreases below the threshold of the laser resulting in a giant laser pulse.

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