National Repository of Grey Literature 2 records found  Search took 0.02 seconds. 
Surface contamination of optical elements studied by Low Energy Ion Scattering LEIS
Sekula, Filip ; Kolíbal, Miroslav (referee) ; Průša, Stanislav (advisor)
This thesis focuses on study of surface contamination of optical elements using the low energy ion scattering method, LEIS. Presence of surface contaminations on optical elements has a negative contribution on thin layers that are applied upon them. The contamination can occur between the steps of manufacturing process. By determining the composition of the contaminations it could be possible to increase effectiveness during the growth of thin layers. Measurement is realised on right angle prisms at room temperature. We also focus on construction of sample holder that would allow heating of samples in the preparation chamber. Later we measure reference spectra for quantification of surface contamination.
Surface contamination of optical elements studied by Low Energy Ion Scattering LEIS
Sekula, Filip ; Kolíbal, Miroslav (referee) ; Průša, Stanislav (advisor)
This thesis focuses on study of surface contamination of optical elements using the low energy ion scattering method, LEIS. Presence of surface contaminations on optical elements has a negative contribution on thin layers that are applied upon them. The contamination can occur between the steps of manufacturing process. By determining the composition of the contaminations it could be possible to increase effectiveness during the growth of thin layers. Measurement is realised on right angle prisms at room temperature. We also focus on construction of sample holder that would allow heating of samples in the preparation chamber. Later we measure reference spectra for quantification of surface contamination.

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