Dr. Alexandra C. Johansson Profile

Dr. Alexandra C. Johansson

at FOI-Swedish Defence Research Agency

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Author

Publications (3)

Proceedings Article | 7 June 2024 Presentation + Paper

Detection of microorganisms in drinking water using fluorescence spectroscopy

Jörgen Gladh, Julia Hedborg, Per Jonsson, Fredrik Kullander, Per Ola Andersson, Alexandra Johansson, Lars Landström

Proceedings Volume 13056, 130560K (2024) https://doi.org/10.1117/12.3014251

KEYWORDS: Fluorescence, Water, Microorganisms, Ultraviolet radiation, Particles, Organisms, Fluorescence spectroscopy, Spectroscopy, Photomultipliers, Fluorescence intensity

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Proceedings Article | 14 June 2023 Presentation + Paper

Hadamard patterned masks for large-aperture UV Raman spectroscopy in low volatile CWA detection applications

Fredrik Kullander, Markus Nordberg, Alexandra Johansson, Lars Landström

Proceedings Volume 12541, 1254103 (2023) https://doi.org/10.1117/12.2666232

KEYWORDS: Raman spectroscopy, Spectroscopy, Signal to noise ratio, Ultraviolet radiation, Chemical weapons, Spectrographs, Spectral resolution, Liquids

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Proceedings Article | 30 May 2022 Presentation + Paper

Monitoring deactivation processes of bacterial spores using fluorescence spectroscopy

Alexandra Johansson, Lars Landström, Rasmus Öberg, Per Ola Andersson

Proceedings Volume 12116, 121160M (2022) https://doi.org/10.1117/12.2623447

KEYWORDS: Ultraviolet radiation, Mercury, Fluorescence spectroscopy, Spectroscopy, Image processing, Bacteria

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