Diode-pumped green Nd:YAG laser with Q-switch and mode locking

We propose a new method for achieving simultaneous operation of laser mode locking and the Q-switch technique using only a single acousto-optic modulator (AOM) with a traveling wave; this AOM was placed inside the cavity of a green-emission Nd:YAG laser. The further shortening of the lasing pulse du...

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Bibliographic Details
Published in:Optics letters 2012-02, Vol.37 (3), p.338-340
Main Authors: Donin, V I, Yakovin, D V, Gribanov, A V
Format: Article
Language:English
Subjects:
Crystals
Holes
Laser mode locking
Lasers
Lasing
Mode locking
Modulators
Pulse repetition rate
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Summary:We propose a new method for achieving simultaneous operation of laser mode locking and the Q-switch technique using only a single acousto-optic modulator (AOM) with a traveling wave; this AOM was placed inside the cavity of a green-emission Nd:YAG laser. The further shortening of the lasing pulse duration from 40 ps to less than 3.25 ps was obtained by the formation of a Kerr lens in a doubling-frequency crystal. At average output power of 1.5 W and pulse repetition rate of the Q-switch equal to 2 kHz, the peak power in a steady-operating laser exceeded 50 MW.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.37.000338