71 results found
Barillot TR, Matia-Hernando P, Greening D, et al., 2017, Towards XUV pump-probe experiments in the femtosecond to sub-femtosecond regime: New measurement of the helium two-photon ionization cross-section, CHEMICAL PHYSICS LETTERS, Vol: 683, Pages: 38-42, ISSN: 0009-2614
Furch FJ, Witting T, Giree A, et al., 2017, CEP-stable few-cycle pulses with more than 190 mu J of energy at 100 kHz from a noncollinear optical parametric amplifier, OPTICS LETTERS, Vol: 42, Pages: 2495-2498, ISSN: 0146-9592
Hyyti J, Escoto E, Steinmeyer G, et al., 2017, Interferometric time-domain ptychography for ultrafast pulse characterization, OPTICS LETTERS, Vol: 42, Pages: 2185-2188, ISSN: 0146-9592
Mercer IP, Witting T, Driver T, et al., 2017, Angle-resolved coherent wave mixing using a 4 fs ultra-broad bandwidth laser, OPTICS LETTERS, Vol: 42, Pages: 859-862, ISSN: 0146-9592
Raabe N, Feng T, Witting T, et al., 2017, Role of Intrapulse Coherence in Carrier-Envelope Phase Stabilization, PHYSICAL REVIEW LETTERS, Vol: 119, ISSN: 0031-9007
Austin DR, Witting T, Weber SJ, et al., 2016, Spatio-temporal characterization of intense few-cycle 2 mu m pulses, OPTICS EXPRESS, Vol: 24, Pages: 24786-24798, ISSN: 1094-4087
Austin DR, Witting T, Ye P, et al., 2016, Temporal Characterization of Two Octave Hollow Fiber Supercontinuum
© OSA 2016. We measure the temporal profile of a 600 μJ hollow fiber supercontinuum spanning 640-2600 nm. At the fiber output, we observe extreme self-steepening and self-compression. The pulse is suitable for multi-channel compression to the sub-cycle regime.
Fan G, Balciunas T, Fourcade-Dutin C, et al., 2016, X-SEA-F-SPIDER characterization of over octave spanning pulses in the infrared range, OPTICS EXPRESS, Vol: 24, Pages: 12713-12729, ISSN: 1094-4087
Schuette B, Ye P, Patchkovskii S, et al., 2016, Strong-field ionization of clusters using two-cycle pulses at 1.8 mu m, SCIENTIFIC REPORTS, Vol: 6, ISSN: 2045-2322
Witting T, Austin DR, Barillot T, et al., 2016, Self-referenced characterization of space-time couplings in near-single-cycle laser pulses, OPTICS LETTERS, Vol: 41, Pages: 2382-2385, ISSN: 0146-9592
Witting T, Greening D, Walke D, et al., 2016, Time-domain ptychography of over-octave-spanning laser pulses in the single-cycle regime, OPTICS LETTERS, Vol: 41, Pages: 4218-4221, ISSN: 0146-9592
Wyatt AS, Witting T, Schiavi A, et al., 2016, Attosecond sampling of arbitrary optical waveforms, OPTICA, Vol: 3, Pages: 303-310, ISSN: 2334-2536
Balciunas T, Fan G, Haessler S, et al., 2015, Strong Field Applications of Gigawatt Self-compressed Pulses from a Kagome Fiber, 19th International Conference on Ultrafast Phenomena, Publisher: SPRINGER-VERLAG BERLIN, Pages: 11-15, ISSN: 0930-8989
Balciunas T, Fourcade-Dutin C, Fan G, et al., 2015, A strong-field driver in the single-cycle regime based on self-compression in a kagome fibre, Nature Communications, Vol: 6, ISSN: 2041-1723
Fabris D, Holgado W, Silva F, et al., 2015, Single-shot implementation of dispersion-scan for the characterization of ultrashort laser pulses, OPTICS EXPRESS, Vol: 23, Pages: 32803-32808, ISSN: 1094-4087
Fabris D, Witting T, Okell WA, et al., 2015, Synchronized pulses generated at 20 eV and 90 eV for attosecond pump-probe experiments, NATURE PHOTONICS, Vol: 9, Pages: 383-+, ISSN: 1749-4885
Fan G, Balciunas T, Haessler S, et al., 2015, A compact single cycle driver for strong field applications based on a self-compression in a Kagome fiber, Conference on Lasers and Electro-Optics (CLEO), Publisher: IEEE, ISSN: 2160-9020
Haessler S, Balciunas T, Fan G, et al., 2015, Optimization of Quantum Trajectories Driven by Strong-Field Waveforms, 19th International Conference on Ultrafast Phenomena, Publisher: SPRINGER-VERLAG BERLIN, Pages: 72-77, ISSN: 0930-8989
Okell WA, Witting T, Fabris D, et al., 2015, Temporal broadening of attosecond photoelectron wavepackets from solid surfaces, OPTICA, Vol: 2, Pages: 383-387, ISSN: 2334-2536
Arrell CA, Ojeda J, Sabbar M, et al., 2014, A simple electron time-of-flight spectrometer for ultrafast vacuum ultraviolet photoelectron spectroscopy of liquid solutions, REVIEW OF SCIENTIFIC INSTRUMENTS, Vol: 85, ISSN: 0034-6748
Austin DR, Weber SJ, Matía-Hernando P, et al., 2014, Generation and characterization of few-cycle phase-controlled 1.7μm pulses
We generate 9 fs 1.7 μm 360 μJ pulses by hollow fiber compression. Complete 3D simulations show good agreement across a range of fiber pressures and elucidate the role of shock formation and Kerr effect saturation.
Ganeev RA, Abdelrahman Z, Frank F, et al., 2014, Spatial coherence measurements of non-resonant and resonant high harmonics generated in laser ablation plumes, APPLIED PHYSICS LETTERS, Vol: 104, ISSN: 0003-6951
Gerome F, Balciunas T, Fourcade-Dutin C, et al., 2014, Self-compression to sub-cycle regime in kagome hollow-core photonic crystal fiber, Conference on Lasers and Electro-Optics (CLEO), Publisher: IEEE, ISSN: 2160-9020
Haessler S, Balciunas T, Fan G, et al., 2014, Optimization of Quantum Trajectories Driven by Strong-Field Waveforms, PHYSICAL REVIEW X, Vol: 4, ISSN: 2160-3308
Okell WA, Fabris D, Rahmani M, et al., 2014, Attosecond streaking on gold films
We demonstrate attosecond streaking on thin Au films. This is the first streaking measurement on Au, and also the first demonstration of streaking on a non-crystalline, non-UHVprepared sample. © OSA 2014.
Okell WA, Witting T, Fabris D, et al., 2014, Carrier-envelope phase performance of hollow-fiber pulse compression for high-energy, single-cycle pulse generation
We investigate the performance and carrier-envelope phase (CEP) stability of hollowfiber pulse compression for high-energy, close to single-cycle duration pulses. We find the onset of an ionization-induced CEP instability, which saturates above 1.25mJ.
Fabris D, Okell WA, Walke D, et al., 2013, Simultaneous VUV and XUV pulse generation and characterization for attosecond pump probe experiments
We report the generation and characterization of isolated attosecond XUV andVUV pulses generated simultaneously via HHG driven by few-cycle pulses using anin-line dual gas target system. One gas jet target was operated with Kr gasthat optimized HHG in the 15-25 eV photon energy range (VUV), whilst the secondgas jet target was operated in Ne gas to optimize the high harmonic generationaround 90 eV (XUV). Appropriate filters were used to isolate the requiredspectral components to synthesize isolated pulses. Sn and In filters were usedfor the VUV region while a Zr filter was used for the XUV. We characterizedboth the XUV and VUV pulses independently using the attosecond streakingtechnique and the LSGPA retrieval algorithm obtaining a 1.7$\pm$0.2 fs pulseusing the In filter and a 616$\pm$50 as pulse using Sn, while preserving a266$\pm$10 as isolated XUV pulse.
Fabris D, Witting T, Henkel J, et al., 2013, Sub-fs pulse generation and characterisation in the VUV, Conference on Lasers and Electro-Optics Europe & International Quantum Electronics Conference (CLEO/Europe-IQEC), Publisher: IEEE
Ganeev RA, Hutchison C, Witting T, et al., 2013, High-order harmonic generation in fullerenes using few- and multi-cycle pulses of different wavelengths, JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS, Vol: 30, Pages: 7-12, ISSN: 0740-3224
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