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Description
| - We compare two table top sources of extreme ultraviolet (XUV) radiation - laser produced plasma (LPP) and discharge produced plasma (DPP), with regard to cell imaging in the soft x-ray regime. Nitrogen plasma is ideal for monochromatic radiation with wavelength λ = 2.88 nm, which corresponds to the quantum transition 1s2-1s2p of helium like nitrogen ion. This wavelength is located in the water-window region, thus it provides the natural contrast between water and carbon-based substances, e.g. proteins. LPP source was developed in Laser-Laboratorium Göttingen e.V., Germany, plasma was generated by Q-switched Nd:YAG laser (λ = 1064 nm, 600 mJ, 7 ns pulse) focused into nitrogen gas-puff target. The typical photons flux was 6x1011 photons/(sr x line x pulse) for input nitrogen pressure p = 12 bar. The size of the plasma spot was 0.2 x 0.4 mm. DPP source was built in-house, plasma was generated by a current discharge through a 10 cm long, 3.2 mm inner diameter ceramic capillary filled with nitrogen gas. The charging voltage was 90 kV and the maximum current was 27.5 kA. Average photons flux was 5x1013 photons/(sr x line x pulse) and plasma spot had FWHM 0.3 mm. Thus, DPP has almost two orders higher photons flux than LPP, with appreciably longer duration of pulse.
- We compare two table top sources of extreme ultraviolet (XUV) radiation - laser produced plasma (LPP) and discharge produced plasma (DPP), with regard to cell imaging in the soft x-ray regime. Nitrogen plasma is ideal for monochromatic radiation with wavelength λ = 2.88 nm, which corresponds to the quantum transition 1s2-1s2p of helium like nitrogen ion. This wavelength is located in the water-window region, thus it provides the natural contrast between water and carbon-based substances, e.g. proteins. LPP source was developed in Laser-Laboratorium Göttingen e.V., Germany, plasma was generated by Q-switched Nd:YAG laser (λ = 1064 nm, 600 mJ, 7 ns pulse) focused into nitrogen gas-puff target. The typical photons flux was 6x1011 photons/(sr x line x pulse) for input nitrogen pressure p = 12 bar. The size of the plasma spot was 0.2 x 0.4 mm. DPP source was built in-house, plasma was generated by a current discharge through a 10 cm long, 3.2 mm inner diameter ceramic capillary filled with nitrogen gas. The charging voltage was 90 kV and the maximum current was 27.5 kA. Average photons flux was 5x1013 photons/(sr x line x pulse) and plasma spot had FWHM 0.3 mm. Thus, DPP has almost two orders higher photons flux than LPP, with appreciably longer duration of pulse. (en)
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Title
| - Comparison of Laser Produced Plasma and Discharge Produced Plasma as a Source for Soft X-Ray Microscopy
- Comparison of Laser Produced Plasma and Discharge Produced Plasma as a Source for Soft X-Ray Microscopy (en)
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skos:prefLabel
| - Comparison of Laser Produced Plasma and Discharge Produced Plasma as a Source for Soft X-Ray Microscopy
- Comparison of Laser Produced Plasma and Discharge Produced Plasma as a Source for Soft X-Ray Microscopy (en)
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skos:notation
| - RIV/68407700:21460/14:00222040!RIV15-MSM-21460___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(EE.2.3.20.0092), P(GAP102/12/2043), S
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21460/14:00222040
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - XUV radiation; Discharge produced plasma; Laser produced plasma; Water-window; Nitrogen (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...iv/tvurceVysledku
| - Vrbová, Miroslava
- Brůža, Petr
- Nevrkla, Michal
- Vondrová, Šárka
- Parkman, Tomáš
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http://localhost/t...ganizacniJednotka
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