Red diode-pumped alexandrite regenerative amplifier generating up to 78 μJ and down to 260 fs pulses

dc.contributor.authorGrätzer, Tobias
dc.contributor.authorZeyen, Manuel
dc.contributor.authorHöck, Markus
dc.contributor.authorResan, Bojan
dc.date.accessioned2026-06-18T06:56:12Z
dc.date.issued2026
dc.description.abstractWe present the first red diode-pumped alexandrite ultrafast amplifier, as well as the first red diode-pumped femtosecond alexandrite master oscillator power amplifier system. We achieved amplification of 90 fs pulses from nJ to μJ pulse energies and compression of the amplified pulses to 260 fs at 133 kHz, with a pulse energy of 2.5 μJ. A maximum pulse energy of 78 μJ is achieved at a repetition rate of 2 kHz. The amplifier output beam quality was good, with measured M 2 = 1.35.
dc.identifier.doi10.1016/j.optlastec.2026.115435
dc.identifier.issn0030-3992
dc.identifier.issn1879-2545
dc.identifier.urihttps://irf.fhnw.ch/handle/11645/56945
dc.identifier.urihttps://doi.org/10.26041/fhnw-16410
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofOptics & Laser Technology
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subject.ddc530 - Physik
dc.titleRed diode-pumped alexandrite regenerative amplifier generating up to 78 μJ and down to 260 fs pulses
dc.type01A - Beitrag in wissenschaftlicher Zeitschrift
dc.volume202
dspace.entity.typePublication
fhnw.InventedHereYes
fhnw.ReviewTypepeer-reviewed
fhnw.oastatus.auroraVersion: Accepted *** Embargo: 24 months *** Licence: CC BY-NC-ND *** URL: https://v2.sherpa.ac.uk/id/publication/16962
fhnw.openAccessCategoryHybrid
fhnw.pagination115435
fhnw.publicationStatePublished
fhnw.targetcollectionbfbedc04-5db2-4920-ad49-9ebf41f10e50
relation.isAuthorOfPublicationaf6ea65b-aee8-481c-a4ee-86b41622643a
relation.isAuthorOfPublication76d55503-3e9d-4938-8194-be4a49f4ad7c
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relation.isAuthorOfPublicationad1b37fe-23a9-48c3-8b11-fb6f1070588f
relation.isAuthorOfPublication.latestForDiscoveryaf6ea65b-aee8-481c-a4ee-86b41622643a
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