Pinching Capillary Discharge as a Water Window Radiation Source

0360411 - ÚFP 2012 RIV NL eng J - Článek v odborném periodiku
Vrba, Pavel - Zakharov, S.V. - Jančárek, A. - Vrbová, M. - Nevrkla, M. - Kolař, P.
Pinching Capillary Discharge as a Water Window Radiation Source.
Journal of Electron Spectroscopy and Related Phenomena. Roč. 184, 3-6 (2011), s. 335-337. ISSN 0368-2048. E-ISSN 1873-2526.
[The 37th International Conference on Vacuum Ultraviolet and X-ray Physics (VUVX2010). Vancouver, 11.07.2010-16.07.2010]
Grant CEP: GA MŠMT LA08024
Výzkumný záměr: CEZ:AV0Z20430508
Klíčová slova: Capillary Z-pinch * water window radiation * soft x-ray spectral diagnostics * RHMD Z* engine
Kód oboru RIV: BH - Optika, masery a lasery
Impakt faktor: 1.958, rok: 2011
http://www.sciencedirect.com/science/article/pii/S0368204810002847

Our aim is to develop a tabletop monochromatic incoherent water window radiation source based on the pinching capillary discharge in nitrogen. We have performed experiments with alumina capillary filled by nitrogen. Strong spectral line at 2.88 nm, corresponding to the quantum transition 1s2p→1s2 of the helium-like nitrogen ions, was observed. Spatial and time evolutions of pinching plasma quantities as well as the water window emission were modeled by means of RHMD code Z*. Computer and experimental results correspond each other. Computer optimization of the device has been done by varying capillary geometry, charging voltage and initial pressure. Reasonable capillary shortening has been suggested.
Trvalý link: http://hdl.handle.net/11104/0197973