Scientific Commons: E. Wolfrum

Experimental x-ray spectra of the H-like 2p -> 1s (Lyman-alpha) doublet have been obtained using time-integrated high-resolution spectroscopy of a constrained-flow, laser-generated aluminum plasma....

Impact of a pulsed supersonic deuterium gas jet on the ELM behaviour in ASDEX Upgrade (2005)

Lang,P.T., Neuhauser,J., Bucalossi,J., Chankin,A., Coster,D.P., Drube,R., ...

Plasma shut-down with fast impurity puff on ASDEX Upgrade (2005)

Pautasso,G., Fuchs,C.J., Gruber,O., Haas,G., Maggi,C.F., Maraschek,M., ...

Edge and core confinement in improved H-modus in ASDEX Upgrade (2005)

Maggi,C. F., Bilato,R., Brambilla,M., Fuchs,J. C., Kurzan,B., Horton,L. D., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton,L. D., Chankin,A. V., Chen,Y. P., Conway,G. D., Coster,D. P., Eich,T., ...

Impact of a pulsed supersonic deuterium gas jet on the ELM behaviour in ASDEX Upgrade (2005)

Lang, P.T., Neuhauser, J., Bucalossi, J., Chankin, A., Coster, D.P., Drube, R., ...

Plasma shut-down with fast impurity puff on ASDEX Upgrade (2005)

Pautasso, G., Fuchs, C.J., Gruber, O., Haas, G., Maggi, C.F., Maraschek, M., ...

Edge and core confinement in improved H-modus in ASDEX Upgrade (2005)

Maggi, C. F., Bilato, R., Brambilla, M., Fuchs, J. C., Kurzan, B., Horton, L. D., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...

Characterisation of the H-mode Edge Barrier at ASDEX Upgrade (2005)

Horton, L. D., Chankin, A. V., Chen, Y. P., Conway, G. D., Coster, D. P., Eich, T., ...

Edge ion temperature measurements at ASDEX Upgrade (2004)

Reich,M., Wolfrum,E., Horton,L. D., Schweinzer,J., Neuhauser,J.

Lithium beam charge exchange diagnostic for edge ion temperature measurements at the ASDEX Upgrade tokamak (2004)

Reich,M., Wolfrum,E., Schweinzer,J., Ehmler,H., Horton,L. D., Neuhauser,J., ...

Edge ion temperature measurements at ASDEX Upgrade (2004)

Reich, M., Wolfrum, E., Horton, L. D., Schweinzer, J., Neuhauser, J., ASDEX Upgrade Team

Lithium beam charge exchange diagnostic for edge ion temperature measurements at the ASDEX Upgrade tokamak (2004)

Reich, M., Wolfrum, E., Schweinzer, J., Ehmler, H., Horton, L. D., Neuhauser, J., ...

Thomson scattering measurements of heat flow in laser-produced plasma (2004)

Hawreliak, J, Chambers, DM, Glenzer, SH, Gouveia, A, Kingham, RJ, Marjoibanks, RS, ...

Overview of ASDEX Upgrade results (2003)

Zohm,H., Angioni,C., Arslanbekov,R., Atanasiu,C., Becker,G., Becker,W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

DEVELOPMENT OF FAST HELIUM BEAM EMISSION SPECTROSCOPY FOR TOKAMAK PLASMA DENSITY- AND TEMPERATURE DIAGNOSTICS (2003)

Galutschek,E., Proschek,M., Falter,H. D., Anderson,H., Andrew,Y., De Baar,M., ...

Overview of ASDEX Upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

DEVELOPMENT OF FAST HELIUM BEAM EMISSION SPECTROSCOPY FOR TOKAMAK PLASMA DENSITY- AND TEMPERATURE DIAGNOSTICS (2003)

Galutschek, E., Proschek, M., Falter, H.D., Anderson, H., Andrew, Y., De Baar, M., ...

Spectroscopy of hot dense plasmas (2003)

Wolfrum, E.

Overview of ASDEX upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Steady state advanced scenarios at ASDEX Upgrade (2002)

Sips,A.C.C., Arslanbekov,R., Atanasiu,C., Becker,W., Becker,G., Behler,K., ...

Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These...

Transport into and across the scrape-off layer in the ASDEX Upgrade divertor tokamak (2002)

Neuhauser,J., Coster,D., Fahrbach,H. U., Fuchs,J. C., Haas,G., Herrmann,A., ...

The elements of transport into and across the scrape-off layer in the poloidal divertor tokamak ASDEX Upgrade are analysed for different operational regimes with emphasis on enhanced confinement...

K-shell spectroscopy of an independently diagnosed uniaxially expanding laser-produced aluminum plasma (2002)

Chambers, DM, Pinto, PA, Hawreliak, J, Al'Miev, IR, Gouveia, A, Sondhauss, P, ...

Measurements of the XUV transmission of aluminium with a soft X-ray laser (2002)

Keenan, R, Lewis, C L S, Wark, J S, Wolfrum, E

Carbon concentration in the Wendelstein 7-AS stellarator measured with the high-energy Li beam (2002)

Ehmler,H., McCormick,K., Wolfrum,E., Burhenn,R., Grigull,P., Klinger,T., ...

Profile and transport studies in the outer scrape of layer at ASDEX Upgrade (2002)

Müller,H. W., Bobkov,V., Haas,G., Jakobi,M., Laux,M., Maraschek,M., ...

Carbon concentration in the Wendelstein 7-AS stellarator measured with the high-energy Li beam (2002)

Ehmler, H., McCormick, K., Wolfrum, E., Burhenn, R., Grigull, P., Klinger, T., ...

Transport into and across the scrape-off layer in the ASDEX Upgrade divertor tokamak (2002)

Neuhauser, J., Coster, D., Fahrbach, H. U., Fuchs, J. C., Haas, G., Herrmann, A., ...

The elements of transport into and across the scrape-off layer in the poloidal divertor tokamak ASDEX Upgrade are analysed for different operational regimes with emphasis on enhanced confinement...

Steady state advanced scenarios at ASDEX Upgrade (2002)

Sips, A.C.C., Arslanbekov, R., Atanasiu, C., Becker, W., Becker, G., Behler, K., ...

Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These...

Profile and transport studies in the outer scrape of layer at ASDEX Upgrade (2002)

Müller, H.W., Bobkov, V., Haas, G., Jakobi, M., Laux, M., Maraschek, M., ...

Measurements of the XUV mass absorption coefficient of an overdense liquid metal (2001)

Wolfrum, E, Allen, AM, Al'Miev, IR, Barbee, TW, Burnett, PDS, Djaoui, A, ...

A Thomson scattering post-processor for the MEDUSA hydrocode (2001)

Hawreliak, J, Chambers, D, Glenzer, S, Marjoribanks, R S, Notley, M, Pinto, P, ...

Overview of ASDEX Upgrade Results (2001)

Gruber, O., Arslanbekov, R., Atanasiu, C., Bard, A., Becker, G., Becker, W., ...

Carbon Density in the Wendelstein 7-AS Stellarator Measured with the High Energy Li-Beam. (2001)

Ehmler, H., McCormick, K., Wolfrum, E., Grigull, P., Burhenn, R., Klinger, T., ...

Improved Edge Density Profile Measurements by the Li-Beam Diagnostic on ASDEX Upgrade (2001)

Müller, H.W., Wolfrum, E., Drube, R., Fuchs, J.C., Kallenbach, A., Kurzan, B., ...

Overview of ASDEX Upgrade Results (2001)

Gruber, O., Arslanbekov, R., Atanasiu, C., Bard, A., Becker, G., Becker, W., ...

X-ray line reabsorption in a rapidly expanding plasma (2000)

Patel, PK, Wolfrum, E, Renner, O, Loveridge, A, Allott, R, Neely, D, ...

X-ray line reabsorption in a rapidly expanding plasma (2000)

Patel, P K, Wolfrum, E, Renner, O, Loveridge, A, Allott, R, Neely, D, ...

Optimization of double pulse pumping for Ni-like Sm x-ray lasers (1999)

Lin, J.Y., Tallents, G.J., Smith, R., MacPhee, A.G., Wolfrum, E., Zhang, J., ...

We report a systematic study of double pulse pumping of the Ni-like Sm x-ray laser at 73 Å, currently the shortest wavelength saturated x-ray laser. It is found that the Sm x-ray laser output can...

Optimization of double pulse pumping for Ni-like Sm x-ray lasers (1999)

Lin, J.Y., Tallents, G.J., Smith, R., MacPhee, A.G., Wolfrum, E., Zhang, J., ...

We report a systematic study of double pulse pumping of the Ni-like Sm x-ray laser at 73 Å, currently the shortest wavelength saturated x-ray laser. It is found that the Sm x-ray laser output can...

Optimization of double pulse pumping for Ni-like Sm x-ray lasers (1999)

Lin, J Y, Tallents, G J, Smith, R, MacPhee, A G, Wolfrum, E, Zhang, J, ...

Saturation behavior of two x-ray lasing transitions in Ni-like Dy (1999)

Smith, R, Tallents, G J, Zhang, J, Eker, G, McCabe, S, Pert, G J, ...

Photocatalytic Oxidation and Reduction Chemistry and a New Process for Treatment of Pink Water and Related Contaminated Water (1999)

Blake, D. M., Wolfrum, E., Boulter, J., Praire, M., Showalter, S., Rodacy, P., ...

This project was carried out at the National Renewable Energy Laboratory (NREL), Sandia National Laboratory (SNL), and by a group at the University of Idaho (UI) working under subcontract to NREL....

Measurement of single mode imprint in laser ablative drive of a thin Al foil by extreme ultraviolet laser radiography (1998)

Wolfrum, E, Wark, J, Zhang, J, Kalantar, D, Key, MH, Remington, BA, ...

Saturated operation of a transient collisional x-ray laser (1998)

Kalachnikov, M P, Nickles, P V, Schnürer, M, Sandner, W, Shlyaptsev, V N, Danson, C, ...

Gain saturation of the Ni-like X-ray lasers (1998)

Lin, J Y, Tallents, G J, Zhang, J, MacPhee, A G, Lewis, C L S, Neely, D, ...

Observation of high transient gain in the germanium x-ray laser at 19.6 nm (1998)

Warwick, P J, Lewis, C L S, Kalachnikov, M P, Nickles, P V, Schnurer, M, Behjat, A, ...

Optimisation of transient gain x-ray laser for 20-32 nm (1998)

Nickles, PV, Schnürer, M, Kalachnikov, MP, Sandner, W, Shlyaptsev, VN, Wolfrum, E, ...

An experiment performed with funding from the TMR Large-Scale Facilities Access Programme Access to Lasers at the Central Laser Facility (1998)

E. Wolfrum, J. Zhang, A. Behjat, A. Demir, ...

This report describes the experiment entitled ‘Optimisation of Transient Gain X-ray Laser for 20-32 nm’; carried out at the Central Laser Facility (CLF) from the 26 th August to the 6 th October...

Measurements of direct drive laser imprint in thin foils by radiography using an x-ray laser backlighter (1997)

Kalantar, D H, Key, M H, DaSilva, L B, Glendinning, S G, Remington, B A, Rothenberg, J E, ...

A study to optimise the temporal drive pulse structure for efficient XUV lasing on the J=0-1, 19.6 nm line of Ge XXIII (1997)

Warwick, P J, Lewis, C L S, McCabe, S, MacPhee, A G, Behjat, A, Kurkcuoglu, M, ...

A saturated X-ray laser beam at 7 nanometres (1997)

Zhang, J, MacPhee, A G, Lin, J, Wolfrum, E, Smith, R, Danson, C N, ...

Optimisation of drive pulse configuration for a Ni-like Sn X-ray laser at 12 nm (1997)

Zhang, J, MacPhee, A G, Lin, J, Wolfrum, E, Smith, R, Danson, C, ...

Near-field spatial imaging of a Ni-like Ag 140-angstrom x-ray laser (1997)

Nilsen, J, Zhang, J, MacPhee, A G, Lin, J, Barbee, T W, Danson, C, ...

Characterisation of the Vulcan CPA beam giving intensities of 1019 W cm-2 (1996)

Danson, CN, Bradwell, N, Barzanti, LJ, Collier, J, Damerell, A, Edwards, CB, ...

Fast lithium-beam spectroscopy of tokamak edge plasmas (1993)

Wolfrum, E., Aumayr, F., Wutte, D., Winter, H. P., Hintz, E., Rusbüldt, D., ...

Copyright AIP. This version is available at http://rsi.aip.org/

Radial Temperature Distributions of C6+ Ions in the Textor Edge Plasma Measured with Lithium Beam Activated Charge Exchange Spectroscopy (1992)

Schorn, R. P., Wolfrum, E., Aumayr, F., Hintz, E., Rusbüldt, D., Winter, H.

Reconstruction of Plasma Edge Density Profiles from LiI(2s-2p) Emission Profiles (1992)

Schweinzer, J., Wolfrum, E., Aumayr, F., Pöckl, M., Winter, H., Schorn, R. P., ...

Design and characterization of the VULCAN Nd:glass laser to give focused intensities of >10 superscript 19 W cm superscript -2

Danson, CN, Angood, S, Barzanti, LJ, Bradwell, N, Collier, J, Damerell, AR, ...

Solid state lasers for application to inertial confinement fusion: second annual international conference, Ed M Andre, SPIE 3047 505-515 (1997)

Characterisation of the Vulcan Nd:glass laser for multi-terawatt operation

Danson, C, Bradwell, N, Barzanti, L, Collier, J, Damerell, A, Edwards, CB, ...

Advances in Laser Interaction with Matter and Inertial Fusion, Proceedings of 24th ECLIM Eds G Velarde, J M Martinez-Val, E Minguez, J M Perlado, publ World Scientific 523-526 (1997)

Measurements of laser imprint by XUV radiography using an X-ray laser

Kalantar, D H, DaSilva, L B, Glendinning, S G, Weber, F, Remington, B A, Weber, S V, ...

Advances in Laser Interaction with Matter and Inertial Fusion, Proceedings of 24th ECLIM Eds G Velarde, J M Martinez-Val, E Minguez, J M Perlado, publ World Scientific 164-167 (1997)

Transient inversion XUV lasers in Ti and Ge

Nickles, P V, Schnurer, M, Kalachnikov, M P, Sandner, W, Shlyaptsev, V N, Danson, C N, ...

Soft X-ray lasers and applications II, Eds J J Rocca, L B Da Silva, SPIE 3156 80-85 (1997)

X-ray laser enhancement with multipulsing

Tallents, GJ, Lin, JY, Demir, A, Behjat, A, Smith, R, Zhang, J, ...

Soft X-ray lasers and applications II, Eds J J Rocca, L B Da Silva, SPIE 3156 30-41 (1997)

Measurement of single mode imprint by XUV laser radiography

Wolfrum, E, Key, M H, Neely, D, Rose, S J, Demir, A, Lin, J, ...

Advances in Laser Interaction with Matter and Inertial Fusion, Proceedings of 24th ECLIM Eds G Velarde, J M Martinez-Val, E Minguez, J M Perlado, publ World Scientific 168-171 (1997)

Recent progress in nickel-like X-ray lasers at RAL

Zhang, J, MacPhee, A G, Lin, J Y, Wolfrum, E, Nilsen, J, Barbee, T W, ...

Soft X-ray lasers and applications II, Eds J J Rocca, L B Da Silva, SPIE 3156 53-64 (1997)

Implementation of a CPA line focus travelling-wave for highly efficient saturated lasing of Ne-like Ti and Ge

Danson, CN, Nickles, PV, Allott, R, Behjat, A, Collier, J, Demir, A, ...

Eds M Lontano, G Mourou, F Pegoraro, E Sindoni AIP Conf Proc 426 473-478 (1998)

Saturation in transient gain scheme of collisionally pumped germanium X-ray laser

Janulewicz, K A, Nickles, P V, Kalachnikov, M P, Schnurer, M, Sandner, W, Healy, S B, ...

Superstrong Fields in Plasmas, Eds M Lontano, G Mourou, F Pegoraro, E Sindoni AIP Conf Proc 426 491-496 (1998)

Overview of X-ray laser research in the UK

Lewis, CLS, Keenan, R, MacPhee, AG, ORourke, RMN, Tallents, GJ, Eker, G, ...

Eds Y Kato, H Takuma, H Daido, IOP Conf Series 159 1-8. IOP Publishing Ltd, p1 (1999)