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Showing 13 to 24 of 463 entries
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Propagation losses and gain measurements in erbium-doped fluoride glass channel waveguides by use of a double-pass technique.

Applied optics

Vasilief I, Guy S, Jacquier B, Boulard B, Gao YP, Duverger C, Haquin H, Nazabal V, Adam JL, Couchaud M, Fulbert L, Cassagnettes C, Rooms F, Barbier D.
PMID: 16078378
Appl Opt. 2005 Aug 01;44(22):4678-83. doi: 10.1364/ao.44.004678.

We have studied Er3+, Yb3+, and Ce3+ codoped microchannel waveguides that were developed by two methods: ionic exchange for heavy metal fluoride glasses [ZrF4-BaF2-AlF3-CeF3 (ZBAC)] and vapor phase deposition for transition metal fluoride glasses [PbF2-ZnF2-GaF3 (PZG)] by using a...

[The burnout syndrome of the caregiver].

Presse medicale (Paris, France : 1983)

Barbier D.
PMID: 15105785
Presse Med. 2004 Mar 27;33(6):394-9. doi: 10.1016/s0755-4982(04)98606-x.

SLAVES TO THEIR WORK: The Anglo-Saxons were the first to evoke the "burn out syndrome" although the Canadians prefer to use "burning" in order to emphasize these situations in which the person is as it were literally "consumed by...

A giant gamma-ray flare from the magnetar SGR 1806-20.

Nature

Palmer DM, Barthelmy S, Gehrels N, Kippen RM, Cayton T, Kouveliotou C, Eichler D, Wijers RA, Woods PM, Granot J, Lyubarsky YE, Ramirez-Ruiz E, Barbier L, Chester M, Cummings J, Fenimore EE, Finger MH, Gaensler BM, Hullinger D, Krimm H, Markwardt CB, Nousek JA, Parsons A, Patel S, Sakamoto T, Sato G, Suzuki M, Tueller J.
PMID: 15858567
Nature. 2005 Apr 28;434(7037):1107-9. doi: 10.1038/nature03525.

Two classes of rotating neutron stars-soft gamma-ray repeaters (SGRs) and anomalous X-ray pulsars-are magnetars, whose X-ray emission is powered by a very strong magnetic field (B approximately 10(15) G). SGRs occasionally become 'active', producing many short X-ray bursts. Extremely...

Analysis of optical near-field images by Karhunen-Loève transformation.

Applied optics

Charraut D, Courjon D, Bainier C, Moulinier L.
PMID: 21102784
Appl Opt. 1996 Jul 10;35(20):3853-61. doi: 10.1364/AO.35.003853.

With regard to classical image transformations, the Karhunen-Loève transform is based on the statistical analysis of signal or image data. We propose using it to analyze and recognize the content of images generated in near-field microscopy. It is shown...

Fabrication and testing of l = 2 optical vortex phase masks for coronography.

Optics express

Mari E, Anzolin G, Tamburini F, Prasciolu M, Umbriaco G, Bianchini A, Barbieri C, Romanato F.
PMID: 20174064
Opt Express. 2010 Feb 01;18(3):2339-44. doi: 10.1364/OE.18.002339.

In this paper we present the fabrication process and tests of two different types of l = 2 spiral phase plates (SPPs), designed for an Optical Vortex Coronagraph (OVC) in the visible wavelength regime. Each phase mask is realized...

Role of long-range correlations in the quenching of spectroscopic factors.

Physical review letters

Barbieri C.
PMID: 20365980
Phys Rev Lett. 2009 Nov 13;103(20):202502. doi: 10.1103/PhysRevLett.103.202502. Epub 2009 Nov 09.

We consider the proton and neutron quasiparticle orbits around the closed-shell (56)Ni and (48)Ca isotopes. It is found that large model spaces (beyond the capability of shell model applications) are necessary for predicting the quenching of spectroscopic factors. The...

Cloning of genes involved in pathogenicity of Xanthomonas campestris pv. campestris using the broad host range cosmid pLAFR1.

The EMBO journal

Daniels MJ, Barber CE, Turner PC, Sawczyc MK, Byrde RJ, Fielding AH.
PMID: 16453595
EMBO J. 1984 Dec 20;3(13):3323-8.

A genomic library was prepared in Escherichia coli from DNA of wild-type Xanthomonas campestris pv. campestris (aetiological agent of crucifer black rot), partially digested with endonuclease EcoRI, using the mobilisable broad host range cosmid vector pLAFR1. Recombinant plasmids contained...

EBSD for analysing the twinning microstructure in fine-grained TWIP steels and its influence on work hardening.

Journal of microscopy

Barbier D, Gey N, Bozzolo N, Allain S, Humbert M.
PMID: 19566628
J Microsc. 2009 Jul;235(1):67-78. doi: 10.1111/j.1365-2818.2009.03182.x.

A 22 Mn-0.6 C twinning induced plasticity steel with an average grain size of 2.6 mum was deformed in tension at room temperature. The electron backscattered diffraction technique was used to characterize the twinning structure in relation with the...

Informal carers--where is the support?.

British journal of nursing (Mark Allen Publishing)

Barber C.
PMID: 17851327
Br J Nurs. 2007 Jul 12-25;16(13):769. doi: 10.12968/bjon.2007.16.13.24239.

No abstract available.

Two-dimensional resonant magnetic soft X-ray scattering set-up for extreme sample environment.

Journal of synchrotron radiation

Stanescu S, Mocuta C, Merlet F, Barbier A.
PMID: 23254672
J Synchrotron Radiat. 2013 Jan;20:181-9. doi: 10.1107/S0909049512041325. Epub 2012 Nov 10.

The newly built MagSAXS (magnetic small-angle X-ray scattering) set-up dedicated to the direct two-dimensional measurement of magnetic scattering using polarized synchrotron radiation in extreme sample environments is presented. Pure optical transport of the image is used to record the...

X-ray diffraction imaging of metal-oxide epitaxial tunnel junctions made by optical lithography: use of focused and unfocused X-ray beams.

Journal of synchrotron radiation

Mocuta C, Barbier A, Stanescu S, Matzen S, Moussy JB, Ziegler E.
PMID: 23412494
J Synchrotron Radiat. 2013 Mar;20:355-65. doi: 10.1107/S090904951204856X. Epub 2013 Jan 19.

X-ray diffraction techniques are used in imaging mode in order to characterize micrometre-sized objects. The samples used as models are metal-oxide tunnel junctions made by optical lithography, with lateral sizes ranging from 150 µm down to 10 µm and...

Anaphylactic Shock During Pediatric Anesthesia: An Unexpected Reaction to Sevoflurane.

Frontiers in pediatrics

Simonini A, Brogi E, Gily B, Tosca M, Barbieri C, Antonini F, Del Zotto G.
PMID: 30246003
Front Pediatr. 2018 Sep 07;6:236. doi: 10.3389/fped.2018.00236. eCollection 2018.

During general anesthesia, while muscle relaxants, latex and antibiotics are normally considered as very common causes of anaphylactic reactions, there are no documented cases of anaphylaxis due to inhalational agents. We report the case of a 6-year-old child scheduled...

Showing 13 to 24 of 463 entries