Table-top KrF amplifier delivering 270 fs output pulses with over 9 W average power at 300 Hz

Applying the combination of a solid-state Ti:Sa laser system and a newly developed wide-aperture, discharge-pumped KrF amplifier, output pulses with over 9 W average power at 300 Hz have been achieved in a single output beam. The frequency-tripled seed pulses of the Ti:Sa system -- delivering approx...

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Veröffentlicht in:	Applied physics. B, Lasers and optics Lasers and optics, 2002-10, Vol.75 (4-5), p.521-524
Hauptverfasser:	BEKESI, J, SZATMARI, S, SIMON, P, MAROWSKY, G
Format:	Artikel
Sprache:	eng
Schlagworte:	Amplification Amplifiers Beams (radiation) Devices Discharge Energy use Exact sciences and technology Fundamental areas of phenomenology (including applications) Gas lasers including excimer and metal-vapor lasers Laser optical systems: design and operation Lasers Optics Physics Resonators, cavities, amplifiers, arrays, and rings Seeds
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Beschreibung
Zusammenfassung:	Applying the combination of a solid-state Ti:Sa laser system and a newly developed wide-aperture, discharge-pumped KrF amplifier, output pulses with over 9 W average power at 300 Hz have been achieved in a single output beam. The frequency-tripled seed pulses of the Ti:Sa system -- delivering approximately 10 *mJ energy at 248 nm -- were amplified to over 30 mJ using a 3-pass off-axis amplification scheme. The optical set-up has been fitted to the amplifier's parameters, and stored-energy measurements were carried out with different parameters in order to optimize the operational conditions of the device for the highest average power.
ISSN:	0946-2171 1432-0649
DOI:	10.1007/s00340-002-0988-3