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Start Over Author "Juha L" Journal physical review letters
11 results on '"Juha L"'

1. Time-Resolved XUV Opacity Measurements of Warm Dense Aluminum

Author

Vinko, S. M., primary, Vozda, V., additional, Andreasson, J., additional, Bajt, S., additional, Bielecki, J., additional, Burian, T., additional, Chalupsky, J., additional, Ciricosta, O., additional, Desjarlais, M. P., additional, Fleckenstein, H., additional, Hajdu, J., additional, Hajkova, V., additional, Hollebon, P., additional, Juha, L., additional, Kasim, M. F., additional, McBride, E. E., additional, Muehlig, K., additional, Preston, T. R., additional, Rackstraw, D. S., additional, Roling, S., additional, Toleikis, S., additional, Wark, J. S., additional, and Zacharias, H., additional

Published
2020
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2. Clocking Femtosecond Collisional Dynamics via Resonant X-Ray Spectroscopy

Author

van den Berg, Q. Y., primary, Fernandez-Tello, E. V., additional, Burian, T., additional, Chalupský, J., additional, Chung, H.-K, additional, Ciricosta, O., additional, Dakovski, G. L., additional, Hájková, V., additional, Hollebon, P., additional, Juha, L., additional, Krzywinski, J., additional, Lee, R. W., additional, Minitti, M. P., additional, Preston, T. R., additional, de la Varga, A. G., additional, Vozda, V., additional, Zastrau, U., additional, Wark, J. S., additional, Velarde, P., additional, and Vinko, S. M., additional

Published
2018
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3. Measurements of the K -Shell Opacity of a Solid-Density Magnesium Plasma Heated by an X-Ray Free-Electron Laser

Author

Preston, T. R., primary, Vinko, S. M., additional, Ciricosta, O., additional, Hollebon, P., additional, Chung, H.-K., additional, Dakovski, G. L., additional, Krzywinski, J., additional, Minitti, M., additional, Burian, T., additional, Chalupský, J., additional, Hájková, V., additional, Juha, L., additional, Vozda, V., additional, Zastrau, U., additional, Lee, R. W., additional, and Wark, J. S., additional

Published
2017
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4. Observation of Reverse Saturable Absorption of an X-ray Laser

Author

Cho, B. I., primary, Cho, M. S., additional, Kim, M., additional, Chung, H.-K., additional, Barbrel, B., additional, Engelhorn, K., additional, Burian, T., additional, Chalupský, J., additional, Ciricosta, O., additional, Dakovski, G. L., additional, Hájková, V., additional, Holmes, M., additional, Juha, L., additional, Krzywinski, J., additional, Lee, R. W., additional, Nam, Chang Hee, additional, Rackstraw, D. S., additional, Toleikis, S., additional, Turner, J. J., additional, Vinko, S. M., additional, Wark, J. S., additional, Zastrau, U., additional, and Heimann, P. A., additional

Published
2017
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5. Saturable Absorption of an X-Ray Free-Electron-Laser Heated Solid-Density Aluminum Plasma

Author

Rackstraw, D. S., primary, Ciricosta, O., additional, Vinko, S. M., additional, Barbrel, B., additional, Burian, T., additional, Chalupský, J., additional, Cho, B. I., additional, Chung, H.-K., additional, Dakovski, G. L., additional, Engelhorn, K., additional, Hájková, V., additional, Heimann, P., additional, Holmes, M., additional, Juha, L., additional, Krzywinski, J., additional, Lee, R. W., additional, Toleikis, S., additional, Turner, J. J., additional, Zastrau, U., additional, and Wark, J. S., additional

Published
2015
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6. ResonantKαSpectroscopy of Solid-Density Aluminum Plasmas

Author

Cho, B. I., primary, Engelhorn, K., additional, Vinko, S. M., additional, Chung, H.-K., additional, Ciricosta, O., additional, Rackstraw, D. S., additional, Falcone, R. W., additional, Brown, C. R. D., additional, Burian, T., additional, Chalupský, J., additional, Graves, C., additional, Hájková, V., additional, Higginbotham, A., additional, Juha, L., additional, Krzywinski, J., additional, Lee, H. J., additional, Messersmidt, M., additional, Murphy, C., additional, Ping, Y., additional, Rohringer, N., additional, Scherz, A., additional, Schlotter, W., additional, Toleikis, S., additional, Turner, J. J., additional, Vysin, L., additional, Wang, T., additional, Wu, B., additional, Zastrau, U., additional, Zhu, D., additional, Lee, R. W., additional, Nagler, B., additional, Wark, J. S., additional, and Heimann, P. A., additional

Published
2012
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7. Direct Measurements of the Ionization Potential Depression in a Dense Plasma

Author

Ciricosta, O., primary, Vinko, S. M., additional, Chung, H.-K., additional, Cho, B.-I., additional, Brown, C. R. D., additional, Burian, T., additional, Chalupský, J., additional, Engelhorn, K., additional, Falcone, R. W., additional, Graves, C., additional, Hájková, V., additional, Higginbotham, A., additional, Juha, L., additional, Krzywinski, J., additional, Lee, H. J., additional, Messerschmidt, M., additional, Murphy, C. D., additional, Ping, Y., additional, Rackstraw, D. S., additional, Scherz, A., additional, Schlotter, W., additional, Toleikis, S., additional, Turner, J. J., additional, Vysin, L., additional, Wang, T., additional, Wu, B., additional, Zastrau, U., additional, Zhu, D., additional, Lee, R. W., additional, Heimann, P., additional, Nagler, B., additional, and Wark, J. S., additional

Published
2012
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8. Decay of Cystalline Order and Equilibration during the Solid-to-Plasma Transition Induced by 20-fs Microfocused 92-eV Free-Electron-Laser Pulses

Author

Galtier, E., primary, Rosmej, F. B., additional, Dzelzainis, T., additional, Riley, D., additional, Khattak, F. Y., additional, Heimann, P., additional, Lee, R. W., additional, Nelson, A. J., additional, Vinko, S. M., additional, Whitcher, T., additional, Wark, J. S., additional, Tschentscher, T., additional, Toleikis, S., additional, Fäustlin, R. R., additional, Sobierajski, R., additional, Jurek, M., additional, Juha, L., additional, Chalupsky, J., additional, Hajkova, V., additional, Kozlova, M., additional, Krzywinski, J., additional, and Nagler, B., additional

Published
2011
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9. Electronic Structure of an XUV Photogenerated Solid-Density Aluminum Plasma

Author

Vinko, S. M., primary, Zastrau, U., additional, Mazevet, S., additional, Andreasson, J., additional, Bajt, S., additional, Burian, T., additional, Chalupsky, J., additional, Chapman, H. N., additional, Cihelka, J., additional, Doria, D., additional, Döppner, T., additional, Düsterer, S., additional, Dzelzainis, T., additional, Fäustlin, R. R., additional, Fortmann, C., additional, Förster, E., additional, Galtier, E., additional, Glenzer, S. H., additional, Göde, S., additional, Gregori, G., additional, Hajdu, J., additional, Hajkova, V., additional, Heimann, P. A., additional, Irsig, R., additional, Juha, L., additional, Jurek, M., additional, Krzywinski, J., additional, Laarmann, T., additional, Lee, H. J., additional, Lee, R. W., additional, Li, B., additional, Meiwes-Broer, K.-H., additional, Mithen, J. P., additional, Nagler, B., additional, Nelson, A. J., additional, Przystawik, A., additional, Redmer, R., additional, Riley, D., additional, Rosmej, F., additional, Sobierajski, R., additional, Tavella, F., additional, Thiele, R., additional, Tiggesbäumker, J., additional, Toleikis, S., additional, Tschentscher, T., additional, Vysin, L., additional, Whitcher, T. J., additional, White, S., additional, and Wark, J. S., additional

Published
2010
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10. Resonant Ka Spectroscopy of Solid-Density Aluminum Plasmas.

Author

Cho, B. I., Engelhorn, K., Vinko, S. M., Chung, H.-K., Ciricosta, O., Rackstraw, D. S., Falcone, R. W., Brown, C. R. D., Burian, T., Chalupsky, J., Graves, C., Hájková, V., Higginbotham, A., Juha, L., Krzywinskj, J., Lee, H. J., Messersmidt, M., Murphy, C., Ping, Y., and Rohringer, N.

Subjects
*X-rays in industry, *FREE electron lasers, *PHOTONS, *PICOSECOND pulses, *ALUMINUM, *PHYSICAL & theoretical chemistry
Abstract

The x-ray intensities made available by x-ray free electron lasers (FEL) open up new x-ray matter interaction channels not accessible with previous sources. We report here on the resonant generation of Ka emission, that is to say the production of copious Ka radiation by tuning the x-ray FEL pulse to photon energies below that of the K edge of a solid aluminum sample. The sequential absorption of multiple photons in the same atom during the 80 fs pulse, with photons creating L-shell holes and then one resonantly exciting a K-shell electron into one of these holes, opens up a channel for the Ka production, as well as the absorption of further photons. We demonstrate rich spectra of such channels, and investigate the emission produced by tuning the FEL energy to the K-L transitions of those highly charged ions that have transition energies below the K edge of the cold material. The spectra are sensitive to x-ray intensity dependent opacity effects, with ions containing L-shell holes readily reabsorbing the Ka radiation. [ABSTRACT FROM AUTHOR]

Published
2012
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11. Subnanometer-scale measurements of the interaction of ultrafast soft x-ray free-electron-laser pulses with matter.

Author

Hau-Riege SP, Chapman HN, Krzywinski J, Sobierajski R, Bajt S, London RA, Bergh M, Caleman C, Nietubyc R, Juha L, Kuba J, Spiller E, Baker S, Bionta R, Sokolowski Tinten K, Stojanovic N, Kjornrattanawanich B, Gullikson E, Plönjes E, Toleikis S, and Tschentscher T

Abstract

At the recently built FLASH x-ray free-electron laser, we studied the reflectivity of Si/C multilayers with fluxes up to 3 x 10(14) W/cm2. Even though the nanostructures were ultimately completely destroyed, we found that they maintained their integrity and reflectance characteristics during the 25-fs-long pulse, with no evidence for any structural changes over lengths greater than 3 A. This experiment demonstrates that with intense ultrafast pulses, structural damage does not occur during the pulse, giving credence to the concept of diffraction imaging of single macromolecules.

Published
2007
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