Intracavity gain shaping in millijoule-level, high gain Ho:YLF regenerative amplifiers

Intracavity gain shaping in millijoule-level, high gain Ho:YLF regenerative amplifiers

We demonstrate intracavity gain shaping inside a 2 μm Ho:YLF regenerative amplifier with a spectral bandwidth of 2.9 nm broadened to 5.4 nm, corresponding to Fourier-limited pulses of 1 ps duration. The intracavity gain shaping is achieved by using a simple etalon, which acts as a frequency-selectiv...

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Veröffentlicht in:Optics letters 2016-03, Vol.41 (6), p.1114-1117
Hauptverfasser: Murari, Krishna, Cankaya, Huseyin, Kroetz, Peter, Cirmi, Giovanni, Li, Peng, Ruehl, Axel, Hartl, Ingmar, Kärtner, Franz X
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Amplifiers
Fluctuation
Gain
High gain
Oscillators
Regenerative
Spectra
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Zusammenfassung:We demonstrate intracavity gain shaping inside a 2 μm Ho:YLF regenerative amplifier with a spectral bandwidth of 2.9 nm broadened to 5.4 nm, corresponding to Fourier-limited pulses of 1 ps duration. The intracavity gain shaping is achieved by using a simple etalon, which acts as a frequency-selective filter. The output of the regenerative amplifier is amplified by a single-pass amplifier, and we achieve total energy of 2.2 mJ and pulse duration of 2.4 ps at 1 kHz with pulse fluctuations
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.41.001114