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Pulse Generation

Definition: the generation of light pulses (flashes)

German: Pulserzeugung

Categories: light pulses, methods


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Short or ultrashort light pulses can in principle be generated by starting with a continuous light source and using a fast modulator, which lets the light pass only for a short period of time. However, such a method is not efficient, since most of the light will be lost at the modulator, and also the pulse duration is limited by the speed (bandwidth) of the modulator.

Pulses with much higher energies and much shorter durations can be generated in pulsed lasers. The most frequently used methods are:

There are other methods, which are less frequently used. Some examples are:

See also: light pulses, double pulses, ultrashort pulses, pulsed lasers, nanosecond lasers, picosecond lasers, femtosecond lasers, modes of laser operation, Q switching, mode locking, cavity dumping, regenerative amplifiers, chirped-pulse amplification, gain switching, quasi-continuous-wave operation

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