Ackermann, W., Asova, G., Ayvazyan, V., Azima, A., Baboi, N., Bähr, J., Balandin, V., Beutner, B., Brandt, A., Bolzmann, A., Brinkmann, R., Brovko, O.I., Castellano, M., Castro, P., Catani, L., Chiadroni, E., Choroba, S., Cianchi, A., Costello, John T. ORCID: 0000-0003-4677-9999, Cubaynes, D., Dardis, John, Decking, W., Delsim-Hashemi, H., Delserieys, A., Di Pirro, G., Dohlus, M., Düsterer, S., Eckhardt, A., Edwards, A., Faatz, B., Feldhaus, J., Flöttmann, A., Frisch, J., Fröhlich, L., Garvey, T., Gensch, U., Gerth, Ch., Görler, M., Golubeva, N., Ivanisenko, H.-J. Y., Jaeschke, E., Jalmuzna, W., Jezynski, W., Kammering, R., Katalev, V., Kavanagh, Kevin D., Kennedy, Eugene T. ORCID: 0000-0002-0710-5281, Khodyachykh, S., Klose, K., Kocharyan, V., Körfer, M., Kollewe, M., Koprek, W., Lipka, S., Löhl, F., Luna, H., Luong, M., Martins, M., Meyer, M., Michelato, P., Miltchev, V., Möller, W.D., Monaco, L., Müller, W.F.O., Napieralski, O., Napoly, O., Nicolosi, P., Nölle, D., Nũnez, T., Petrosyan, G., Petrosyan, L., Pflüger, J., Plönjes, E., Poletto, L., Pozniak, K., Prat, E., Proch, D., Pucyk, P., Radcliffe, P., Redlin, H., Rehlich, K., Richter, M., Roehrs, M., Roensch, J., Romaniuk, R., Ross, M., Rossbach, J., Rybnikov, V., Sachwitz, M., Saldin, E.L., Sandner, W., Schlarb, H., Schmidt, B., Schmitz, M., Schmüser, P., Schneider, J.R., Schneidmiller, E.A., Schnepp, S., Schreiber, S., Seidel, M., Sertore, D., Shabunov, A.V., Simon, C., Simrock, S., Sombrowski, E., Sorokin, A.A., Spanknebel, P., Spesyvtsev, R., Staykov, L., Steffen, B., Stephan, F., Stulle, F., Thom, H., Tiedtke, K., Tischer, M., Toleikis, S., Treusch, R., Trines, D., Tsakov, I, Vogel, E. M., Weiland, T., Weise, H., Wellhöfer, M., Wendt, M., Will, I., Winter, A., Wittenburg, K., Wurth, W., Yeates, Patrick ORCID: 0000-0002-6734-0590, Yurkov, M.V., Zagorodnov, I., Zapfe, K. and Petrosyan, B. (2007) Operation of a free electron laser from the extreme ultraviolet to the water window. Nature Photonics, 1 . ISSN 1749-4885

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Abstract

We report results on the performance of a free electron laser operating at a wavelength of 13.7 nm where unprecedented peak and average powers for a coherent EUV radiation source have been measured. In the saturation regime the peak energy approached 170 μJ for individual pulses while the average energy per pulse reached 70 μJ. The pulse duration was in the region of 10 femtoseconds and peak powers of 10 GW were achieved. At a pulse repetition frequency of 700 pulses per second, the average EUV power reached 20 mW. The output beam also contained a significant contribution from odd harmonics of approximately 0.6% and 0.03% for the 3rd (4.6 nm) and the 5th (2.75 nm) harmonics, respectively. At 2.75 nanometers the 5th harmonic of the radiation reaches deep into the water window – a wavelength range that is crucially important for the investigation of biological samples.

Metadata

Item Type:	Article (Published)
Refereed:	Yes
Uncontrolled Keywords:	EUV; lasers;
Subjects:	Physical Sciences > Physics Physical Sciences > Lasers
DCU Faculties and Centres:	Research Institutes and Centres > National Centre for Plasma Science and Technology (NCPST) DCU Faculties and Schools > Faculty of Science and Health > School of Physical Sciences
Official URL:	http://dx.doi.org/doi:10.1038/nphoton.2007.76
Use License:	This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:	76
Deposited On:	01 May 2007 by DORAS Administrator . Last Modified 07 Oct 2021 11:31

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