Acousto-optic modulator pulse-shaper compression of octave-spanning pulses from a stretched hollow-core fiber

We demonstrate spectral broadening and compression of amplified pulses from a titanium sapphire laser system using an argon-filled stretched, hollow-core fiber and an acousto-optic modulator based pulse-shaper. We characterize the pulses using pulse-shaper assisted collinear frequency resolved optic...

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Veröffentlicht in:OSA continuum 2021-12, Vol.4 (12), p.3176
Hauptverfasser: Catanese, Anthony, Kaufman, Brian, Cheng, Chuan, Jones, Eric, Cohen, Martin G., Weinacht, Thomas
Format: Artikel
Sprache:eng
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Zusammenfassung:We demonstrate spectral broadening and compression of amplified pulses from a titanium sapphire laser system using an argon-filled stretched, hollow-core fiber and an acousto-optic modulator based pulse-shaper. We characterize the pulses using pulse-shaper assisted collinear frequency resolved optical gating, pulse-shaper assisted D-scans, and D-scans using a variable path length water cell. The different compression and characterization approaches consistently compress the pulses down to < 6 fs, less than ∼1 fs from the transform limit. We discuss prospects for pulse shape spectroscopy with these broadband pulses, given our control over the spectral amplitude and phase.
ISSN:2578-7519
2578-7519
DOI:10.1364/OSAC.440476