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Showing 1 to 12 of 25 entries
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Ion acceleration by collisionless shocks in high-intensity-laser-underdense-plasma interaction.

Physical review letters

Wei MS, Mangles SP, Najmudin Z, Walton B, Gopal A, Tatarakis M, Dangor AE, Clark EL, Evans RG, Fritzler S, Clarke RJ, Hernandez-Gomez C, Neely D, Mori W, Tzoufras M, Krushelnick K.
PMID: 15524892
Phys Rev Lett. 2004 Oct 08;93(15):155003. doi: 10.1103/PhysRevLett.93.155003. Epub 2004 Oct 07.

Ion acceleration by the interaction of an ultraintense short-pulse laser with an underdense-plasma has been studied at intensities up to 3 x 10(20) W/cm(2). Helium ions having a maximum energy of 13.2+/-1.0 MeV were measured at an angle of...

Minimization of the impact of a broad bandwidth high-gain nonlinear preamplifier to the amplified spontaneous emission pedestal of the Vulcan petawatt laser facility.

Applied optics

Musgrave IO, Hernandez-Gomez C, Canny D, Collier J, Heathcote R.
PMID: 17906727
Appl Opt. 2007 Oct 01;46(28):6978-83. doi: 10.1364/ao.46.006978.

To generate petawatt pulses using the Vulcan Nd:glass laser requires a broad bandwidth high-gain preamplifier. The preamplifier used is an optical parametric amplifier that provides a total gain of 10(8) in three amplification stages. We report on a detailed...

Evaluating laser-driven Bremsstrahlung radiation sources for imaging and analysis of nuclear waste packages.

Journal of hazardous materials

Jones CP, Brenner CM, Stitt CA, Armstrong C, Rusby DR, Mirfayzi SR, Wilson LA, Alejo A, Ahmed H, Allott R, Butler NMH, Clarke RJ, Haddock D, Hernandez-Gomez C, Higginson A, Murphy C, Notley M, Paraskevoulakos C, Jowsey J, McKenna P, Neely D, Kar S, Scott TB.
PMID: 27484945
J Hazard Mater. 2016 Nov 15;318:694-701. doi: 10.1016/j.jhazmat.2016.07.057. Epub 2016 Jul 26.

A small scale sample nuclear waste package, consisting of a 28mm diameter uranium penny encased in grout, was imaged by absorption contrast radiography using a single pulse exposure from an X-ray source driven by a high-power laser. The Vulcan...

Characterization of the backscattered radiation from petawatt laser matter interactions.

Applied optics

Vernon ED, Musgrave IO, Green J, Heathcote R, Lancaster KL, Mendes C, Hawkes SJ, Hernandez-Gomez C, Pepler DA.
PMID: 18566620
Appl Opt. 2008 Jun 20;47(18):3258-63. doi: 10.1364/ao.47.003258.

The development of high peak power and energy laser systems require the assurance that any backscattered radiation will not lead to damage of the laser system. We present the characterization of the backscattered radiation for different target types and...

DiPOLE: a 10 J, 10 Hz cryogenic gas cooled multi-slab nanosecond Yb:YAG laser.

Optics express

Banerjee S, Ertel K, Mason PD, Phillips PJ, De Vido M, Smith JM, Butcher TJ, Hernandez-Gomez C, Greenhalgh RJ, Collier JL.
PMID: 26367612
Opt Express. 2015 Jul 27;23(15):19542-51. doi: 10.1364/OE.23.019542.

The Diode Pumped Optical Laser for Experiments (DiPOLE) project at the Central Laser Facility aims to develop a scalable, efficient high pulse energy diode pumped laser amplifier system based on cryogenic gas cooled, multi-slab ceramic Yb:YAG technology. We present...

Correction: New knowledge on the antiglycoxidative mechanism of chlorogenic acid.

Food & function

Fernandez-Gomez B, Ullate M, Picariello G, Ferranti P, Mesa MD, del Castillo MD.
PMID: 26065645
Food Funct. 2015 Jul;6(7):2405. doi: 10.1039/c5fo90022k.

Correction for 'New knowledge on the antiglycoxidative mechanism of chlorogenic acid' by Beatriz Fernandez-Gomez et al., Food Funct., 2015, DOI: 10.1039/c5fo00194c.

Experiment and simulation of novel liquid crystal plasma mirrors for high contrast, intense laser pulses.

Scientific reports

Poole PL, Krygier A, Cochran GE, Foster PS, Scott GG, Wilson LA, Bailey J, Bourgeois N, Hernandez-Gomez C, Neely D, Rajeev PP, Freeman RR, Schumacher DW.
PMID: 27557592
Sci Rep. 2016 Aug 25;6:32041. doi: 10.1038/srep32041.

We describe the first demonstration of plasma mirrors made using freely suspended, ultra-thin films formed dynamically and in-situ. We also present novel particle-in-cell simulations that for the first time incorporate multiphoton ionization and dielectric models that are necessary for...

Large-amplitude plasma wave generation with a high-intensity short-pulse beat wave.

Optics letters

Walton B, Najmudin Z, Wei MS, Marle C, Kingham RJ, Krushelnick K, Dangor AE, Clarke RJ, Poulter MJ, Hernandez-Gomez C, Hawkes S, Neely D, Collier JL, Danson CN, Fritzler S, Malka V.
PMID: 18033483
Opt Lett. 2002 Dec 15;27(24):2203-5. doi: 10.1364/ol.27.002203.

A short-pulse laser beat wave scheme for advanced particle accelerator applications is examined. A short, intense (3-ps, >10(18)-W cm(-2)) two-frequency laser pulse is produced by use of a modified chirped-pulse amplification scheme and is shown to produce relativistic plasma...

Evaluation of an ultrabroadband high-gain amplification technique for chirped pulse amplification facilities.

Applied optics

Collier J, Hernandez-Gomez C, Ross IN, Matousek P, Danson CN, Walczak J.
PMID: 18324304
Appl Opt. 1999 Dec 20;38(36):7486-93. doi: 10.1364/ao.38.007486.

Recently, an amplification technique for ultrashort pulses was explored in detail in a theoretical paper by Ross et al. [Opt. Commun. 144, 125 (1997)]. The technique, based on nonlinear optics, is called optical parametric chirped pulse amplification. It has...

Generation of terawatt pulses by use of optical parametric chirped pulse amplification.

Applied optics

Ross IN, Collier JL, Matousek P, Danson CN, Neely D, Allott RM, Pepler DA, Hernandez-Gomez C, Osvay K.
PMID: 18345154
Appl Opt. 2000 May 20;39(15):2422-7. doi: 10.1364/ao.39.002422.

Optical parametric chirped pulse amplifiers offer exciting prospects for generating new extremes in power, intensity, and pulse duration. An experiment is described that was used to investigate the operation of this scheme up to energies approaching a joule, as...

Nondestructive Determination Method of Fruit Quantity Detection Based on Vis/NIR Spectroscopy Technique.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference

Hu X, He Y, Garcla Pereira A, Hernandez Gomez A.
PMID: 17282605
Conf Proc IEEE Eng Med Biol Soc. 2005;2005:1956-9. doi: 10.1109/IEMBS.2005.1616836.

The objective of this study was to establish the relationship between Vis/NIR spectral and the major physiological properties of tomato-soluble solids content (SSC), acidity (pH) and fruit firmness. A total of 200 tomatoes were hand harvested and analyzed the...

Optical parametric chirped-pulse amplification source suitable for seeding high-energy systems.

Optics letters

Tang Y, Ross IN, Hernandez-Gomez C, New GH, Musgrave I, Chekhlov OV, Matousek P, Collier JL.
PMID: 18923631
Opt Lett. 2008 Oct 15;33(20):2386-8. doi: 10.1364/ol.33.002386.

A short-pulse source based on optical parametric chirped-pulse amplification (OPCPA) technology has been developed with properties that make it a suitable seed for a high-energy OPCPA system. This source generated a diffraction-limited pulse at 910 nm with a full...

Showing 1 to 12 of 25 entries