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Université de Neuchâtel

New frontiers of ultrafast thin-disk laser oscillators for applications in metrology and the generation of THz and XUV radiation

Modsching, Norbert Paul ; Südmeyer, Thomas (Dir.)

Thèse de doctorat : Université de Neuchâtel, 2019.

Ultrafast laser systems find application as versatile tool in industry and science. Ultrafast laser systems based on Ti:sapphire – the workhorse in ultrafast science – operate typically at kHz repetition rates and benefit from the available broad gain bandwidth for the direct generation of sub 100-fs pulse durations. However, thermal effects in the gain medium due to a high quantum defect...

Public access from May 12, 2021
Université de Fribourg

Introducing otree_tools : A powerful package to provide process data for attention, multitasking behavior and effort through tracking focus

Chapkovski, Philipp ; Zihlmann, Christian

In: Journal of behavioral and experimental finance, 2019, vol. 23, p. 75-83

With the advent of online subject pools, conducting experiments outside thelaboratory has become more popular among the scientific community. Unlike the lab, online and field environments tend to be accompanied by a loss of control. In this article we introduce otree_tools, a concise yet powerful add-on for oTree (Chen et al., 2016).otree_tools provides novel ways by which to measure...

Consortium of Swiss Academic Libraries

Cardiac hybrid imaging

Gaemperli, Oliver ; Kaufmann, Philipp ; Alkadhi, Hatem

In: European Journal of Nuclear Medicine and Molecular Imaging, 2014, vol. 41, p. 91-103

Consortium of Swiss Academic Libraries

A Criterion for Asymptotic Completeness in Local Relativistic QFT

Dybalski, Wojciech ; Gérard, Christian

In: Communications in Mathematical Physics, 2014, vol. 332, no. 3, p. 1167-1202

Université de Fribourg

Statix - statistical type inference on linked data

Lutov, Artem ; Roshankish, Soheil ; Khayati, Mourad ; Cudre-Mauroux, Philippe

In: 2018 IEEE International Conference on Big Data (Big Data), 2018, p. 2253–2262

Large knowledge bases typically contain data adhering to various schemas with incomplete and/or noisy type information. This seriously complicates further integration and post-processing efforts, as type information is crucial in correctly handling the data. In this paper, we introduce a novel statistical type inference method, called StaTIX, to effectively infer instance types in Linked Data...

Université de Neuchâtel

Carrier-envelope offset frequency stabilization of a thin-disk laser oscillator operating in the strongly self-phase modulation broadened regime

Modsching, Norbert ; Paradis, Clément ; Brochard, Pierre ; Jornod, Nayara ; Gürel, Kutan ; Kränkel, Christian ; Schilt, Stéphane ; Wittwer, Valentin J ; Südmeyer, Thomas

In: Optics Express, 2018, vol. 26, no. 22, p. 28461-28468

We demonstrate the carrier-envelope offset (CEO) frequency stabilization of a Kerr lens mode-locked Yb:Lu2O3 thin-disk laser oscillator operating in the strongly self-phase modulation (SPM) broadened regime. This novel approach allows overcoming the intrinsic gain bandwidth limit and is suited to support frequency combs from sub-100-fs pulse trains with very high output...

Université de Fribourg

Novel iron tweezers complexes for hydrogenation and polymerization of olefins

Mafua, Roger ; Jenny, Titus A. (Dir.)

Thèse de doctorat : Université de Fribourg, 2006 ; no. 1503.

The use of organometallic complexes as catalysts became a very significant topic in the field of material chemistry. However, despite of this development, only few of them contain iron(II), except the tridentate complex diimine pyridine developed by Gibson and Brookhart and employed in the olefin polymerization. Unfortunately, this model suffers by its lack of tolerance towards the minor changes...

Université de Fribourg

Comparison of a novel biodegradable polymer sirolimus-eluting stent with a durable polymer everolimus-eluting stent: 5-year outcomes of the randomized bioflow-ii trial

Lefèvre, Thierry ; Haude, Michael ; Neumann, Franz-Josef ; Stang, Karl ; Skurk, Carsten ; Slagboom, Ton ; Sabaté, Manel ; Goicolea, Javier ; Barragan, Paul ; Cook, Stéphane ; Macia, Jean-Christophe ; Windecker, Stephan

In: JACC: Cardiovascular Interventions, 2018, vol. 11, no. 10, p. 995–1002

ObjectivesThe authors aimed to compare long-term data of an ultrathin cobalt- chromium stent with passive silicon carbide coating and an active biodegradable polymer that releases sirolimus (O-SES) (Orsiro, BIOTRONIK, Bülach, Switzerland) with the durable polymer-based Xience Prime everolimus-eluting stent (X-EES) (Abbott Vascular, Santa Clara, California).BackgroundBiodegradable polymer...