Pulse energy modulation of the cw-mode-locked 1.32 μm Nd-YAG-laser by drive frequency detuning |
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| Authors: | HJ Eichler J Krauser |
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| Institution: | Optisches Institut, Technische Universität, D-1000 Berlin 12, Fed. Rep. Germany;Heinrich-Hertz-Institut für Nachrichtentechnik Berlin GmbH, D-1000 Berlin 10, Fed. Rep. Germany |
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| Abstract: | The frequency of an acousto-optic mode-locker is detuned from the fundamental resonance frequency of the cavity resulting in undamped oscillations of the laser pulse energy. The envelope of the mode-locked pulse train consists of spikes 10 μs wide with a repetition time of 46 μs. The energy of the mode-locked pulses in a spike is increased by up to a factor of 50 compared to a cw-mode-locked pulse. The pulse width can be as short as 700 ps. |
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