Methods for controlling of the laser-induced absorption in a BTO crystal by using of cw-laser radiation |
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| Authors: | C Hecht H Kronemayer T Dreier H Wiggers C Schulz |
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| Institution: | 1.Institute of Applied Optics,Friedrich-Schiller-University,Jena,Germany;2.Department of Electronic Devices,State University of Control Systems and Radioelectronics,Tomsk,Russia;3.Belarusian State University,Minsk,Belarus |
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| Abstract: | The iron-atom concentration distribution as well as the gas-phase temperature was measured via laser-induced fluorescence
(LIF) during iron-oxide nanoparticle synthesis in a low-pressure hydrogen/oxygen/argon flame reactor using ironpentacarbonyl
(Fe(CO)5) as precursor. Temperature measurements based on multi-line NO-LIF imaging are used to correct for temperature-dependent
ground-state populations. The concentration measurement is calibrated based on line-of-sight absorption measurements. The
influence of the precursor on the flame is observed at precursor concentrations larger than 70 ppm as the flame front moves
closer to the burner surface with increasing Fe(CO)5 concentration. |
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| Keywords: | PACS" target="_blank">PACS 42 62 Fi |
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