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024 TW ultrabroadband, CEP-stable multipass Ti:Sa amplifier

2019; Optica Publishing Group; Volume: 44; Issue: 6 Linguagem: Inglês

10.1364/ol.44.001464

ISSN

1539-4794

Autores

Mikayel Musheghyan, Fabian Lücking, Zhao Cheng, Harald Frei, A. Assion,

Tópico(s)

Mass Spectrometry Techniques and Applications

Resumo

We demonstrate a single-stage, multipass Ti:sapphire amplifier capable of delivering sub-13 fs, 3.2 mJ pulses at a 1 kHz repetition rate. Gaussian filters are used to suppress the gain-narrowing effect, thereby enabling the achievement of an ultrabroadband flat-top spectrum with a FWHM>130 nm. The carrier-envelope phase (CEP) of the output pulses is actively stabilized via the feed-forward scheme (for the oscillator) and a fast 1 kHz f-to-2f interferometer, which corrects the amplifier-induced CEP drift. The single-shot 75 h CEP measurement yielded rms noise of <150 mrad.

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