Efficient Pulse Stretching of Q-Switched Lasers

We present a new and simple technique for efficient stretching of Q-switched laser pulses using a novel ring resonator and a variable Pockels cell Q-switch driven by a simple circuit. The production of 10-mJ flat-topped Q-switched pulses with a duration that can be stretched by a factor of 4.5-1.8 m...

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Veröffentlicht in:	IEEE journal of quantum electronics 2008-10, Vol.44 (10), p.911-915
Hauptverfasser:	Rutten, T.P., Veitch, P.J., Munch, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits Driver circuits electrooptic modulation Exact sciences and technology Fundamental areas of phenomenology (including applications) Laser mode locking Laser modes Laser optical systems: design and operation Laser radar laser resonators Laser stability Lasers Lasers and electrooptics Mathematical models Optical pulses Optical resonators Optical ring resonators Optics Physics Pockels cells Pulse modulation Q -switched lasers Q-switching Quantum electronics Resonators Resonators, cavities, amplifiers, arrays, and rings Ring lasers Stretching
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Beschreibung
Zusammenfassung:	We present a new and simple technique for efficient stretching of Q-switched laser pulses using a novel ring resonator and a variable Pockels cell Q-switch driven by a simple circuit. The production of 10-mJ flat-topped Q-switched pulses with a duration that can be stretched by a factor of 4.5-1.8 mus without loss of pulse energy is demonstrated. We show that the pulse stretching agrees well with predictions of a numerical model.
ISSN:	0018-9197 1558-1713
DOI:	10.1109/JQE.2008.925140