Papers published on a yearly basis
Papers
More filters
TL;DR: In this paper, a family of high-power supercontinuum sources that extend throughout the complete window of transparency of silica based fibres is presented, giving flat spectral power densities in excess of 10's mW per nm from 400 nm to beyond 2.2 μm.
Abstract: Advances in high power fibre lasers and amplifiers and in novel non-linear fibres that can be readily integrated with such pumps have led to a family of high power super-continuum sources that extend throughout the complete window of transparency of silica based fibres. The systems have been operated femtosecond, picosecond and nanosecond as well as cw. Average powers of 10’s Watts can be easily achieved, giving flat spectral power densities in excess of 10’s mW per nm from 400 nm to beyond 2.2 μm.
8 citations
Patent•
13 Mar 2014TL;DR: An extra cavity harmonic generator system may produce a round, non-astigmatic third harmonic output beam from a nominally round, nonsmooth, diffraction limited input fundamental beam as discussed by the authors.
Abstract: An extra cavity harmonic generator system may produce a round, non-astigmatic third harmonic output beam from a nominally round, non-astigmatic, diffraction limited input fundamental beam. The system may include a second harmonic generation crystal. An input fundamental beam size is expanded in a non-walkoff direction for the SHG crystal at the SHG crystal input face. A higher harmonic generation crystal has an output face oriented at an oblique angle of incidence in a non-walkoff direction for the HHG crystal such that an output higher harmonic beam size is contracted in this direction. Expansion of the input fundamental beam at the SHG crystal input face exceeds reduction of third harmonic beam at the HHG crystal output face.
8 citations
TL;DR: It is shown that it is possible to improve the electrical performances of metallic CNTs by 13C isotope enrichment, and isotopic disorder creates additional channels for the hot-phonon deexcitation, reduces their population and, thus, the nanotube high-bias differential resistance.
Abstract: The current-voltage curve of metallic carbon nanotubes (CNTs) displays at high bias a sudden increase of the resistivity due to the scattering of electrons with phonons having an anomalously high population (hot phonons). Here, we show that it is possible to improve the electrical performances of metallic CNTs by 13C isotope enrichment. In fact, isotopic disorder creates additional channels for the hot-phonon deexcitation, reduces their population and, thus, the nanotube high-bias differential resistance. This is an extraordinary case where disorder improves the electronic transport.
8 citations
TL;DR: In this article, the formation of gas cavities in a liquid-saturated porous medium is studied by means of computer simulations, using a newly developed code for the tracking of moving phase interfaces in 3D porous media.
8 citations
TL;DR: In this article, a realistic model of microporous membrane was obtained using Confocal Scanning Laser Microscopy (CSLM), which allows accurate and non-destructive membrane sectioning in a plane perpendicular to the optical axis of the microscope.
8 citations
Authors
Showing all 903 results
| Name | H-index | Papers | Citations |
|---|---|---|---|
| Claude J. Allègre | 106 | 327 | 35092 |
| Paul Tapponnier | 99 | 294 | 42855 |
| Francesco Mauri | 85 | 352 | 69332 |
| Barbara Romanowicz | 67 | 284 | 14950 |
| Geoffrey C. P. King | 64 | 157 | 17177 |
| Yi-Gang Xu | 64 | 271 | 14292 |
| Jérôme Gaillardet | 63 | 199 | 14878 |
| François Guyot | 61 | 292 | 12444 |
| Georges Calas | 60 | 266 | 10901 |
| Ari P. Seitsonen | 59 | 212 | 45684 |
| Michele Lazzeri | 58 | 140 | 57079 |
| Bernard Bourdon | 58 | 118 | 9962 |
| Gianreto Manatschal | 56 | 200 | 10063 |
| Nikolai M. Shapiro | 56 | 154 | 15508 |
| Guillaume Morin | 55 | 156 | 7218 |