26 February 2010 Nanostructured polymers by a compact laser plasma EUV source
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Abstract
We report on the application of a compact laser plasma EUV source for processing of polymer materials. The EUV radiation in the wavelength of about 5 to 50 nm was produced by irradiation of xenon or krypton gas puff target with Nd:YAG laser operating at 10 Hz and delivering 4 ns pulses of energy up to 0.8 J per pulse. The source was equipped with a grazing incidence axisymmetrical ellipsoidal mirror to focus EUV radiation in the relatively broad spectral range with the maximum near 10 nm. The size of the focal spot was about 0.5 mm with the maximum fluence of 70 mJ/cm2 in a single pulse. Nanostructuring of polymer materials was achieved, primarily due to direct photo-etching with EUV photons. The results of the studies should be applicable in biomedical engineering.
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Henryk Fiedorowicz, Henryk Fiedorowicz, Andrzej Bartnik, Andrzej Bartnik, Roman Jarocki, Roman Jarocki, Jerzy Kostecki, Jerzy Kostecki, Miroslaw Szczurek, Miroslaw Szczurek, } "Nanostructured polymers by a compact laser plasma EUV source", Proc. SPIE 7586, Synthesis and Photonics of Nanoscale Materials VII, 75860G (26 February 2010); doi: 10.1117/12.841682; https://doi.org/10.1117/12.841682
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