Imperial College London

DrRobertKingham

Faculty of Natural SciencesDepartment of Physics

Reader in Plasma Physics
 
 
 
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Contact

 

+44 (0)20 7594 7637rj.kingham Website

 
 
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Location

 

724Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

67 results found

Collier JL, Neely D, Allott R, Danson CN, Hawkes S, Najmudin Z, Kingham RJ, Krushelnick K, Dangor AEet al., 2000, Simultaneous dual wavelength CPA operation of the vulcan laser for particle acceleration experiments

A chirped pulse amplification laser configuration capable of particle acceleration through the driving of a plasma beatwave into saturation before modulation instabilities can grow is reported. The configuration is based on generating a single sub-ps, broad bandwidth pulse (approximately 16 nm) and stretching and filtering to select two wavelength components (separation approximately 7 nm). The two spectral components are temporally stretched (to >100 ps) and separated (by approximately 1 ns). The pulses are then amplified in a single Nd:glass chain to greater than 15 J per pulse. Using a single pass reflective grating compressor the pulses are temporally compressed to between 2 and 5 ps and automatically synchronized. Moreover, the system is capable of introducing a chirp into the actual beat, such that the compressed pulses can compensate for relativistic detuning of the plasma wave. The optimum laser amplification and recombination configuration for generating a saturated laser driven beatwave is presented and options for future work discussed.

Conference paper

Theobald W, Hassner R, Kingham RJ, Sauerbrey R, Fehr R, Gericke DO, Schlanges M, Kraeft WD, Ishikawa Ket al., 1999, Electron densities, temperatures, and the dielectric function of femtosecond-laser-produced plasmas, Physical Review E, Vol: 59, Pages: 3544-3553, ISSN: 1063-651X

Journal article

Kingham R, Theobald W, Hassner R, Sauerbrey R, Fehr R, Gericke DO, Schlanges M, Kraeft WD, Ishikawa Ket al., 1999, Dielectric properties of dense femtosecond laser produced plasmas, PO BOX 10 11 61, D-69451 WEINHEIM, GERMANY, 9th International Workshop on the Physics of Nonideal Plasmas (PNP-9), Publisher: WILEY-V C H VERLAG GMBH, Pages: 53-56, ISSN: 0863-1042

Conference paper

Theobald W, Hassner R, Kingham R, Feurer T, Schillinger H, Schafer G, Sauerbrey Ret al., 1998, Probing black hole physics in the laboratory using high intensity femtosecond lasers, 11th International Conference on Ultrafast Phenomena, Publisher: Springer, Pages: 410-414, ISSN: 0172-6218

Conference paper

Kingham RJ, Bell AR, 1998, Enhancement of ponderomotively generated wakefields in 1D, 1st International Conference on Superstrong Fields in Plasmas, Publisher: AMER INST PHYSICS, Pages: 147-152, ISSN: 0094-243X

Conference paper

Kingham RJ, Bell AR, 1997, Enhanced wakefields for the 1D laser wakefield accelerator, Physical Review Letters, Vol: 79, Pages: 4810-4813, ISSN: 0031-9007

Journal article

Kingham RJ, Bell AR, Hall TA, 1996, Cylindrical targets for the fast igniter scheme, PLASMA PHYSICS AND CONTROLLED FUSION, Vol: 38, Pages: 1763-1777, ISSN: 0741-3335

Journal article

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