The protocataclasite dilemma: in situ 36Cl and REE-Y lessons from an impure limestone fault scarp at Sparta, Greece

Autor: B. W. Goodfellow, M. W. Caffee, G. Chmiel, R. Fritzon, A. Skelton, A. P. Stroeven

Publikováno v: Solid Earth, Vol 15, Pp 1343-1363 (2024)

Reconstructions of palaeoseismicity are useful for understanding and mitigating seismic hazard risks. We apply cosmogenic 36Cl exposure-age dating and measurements of rare-earth elements and yttrium (REE-Y) concentrations to the palaeoseismic history

Externí odkaz: https://doaj.org/article/ea767aa77bcd466ab8289aa6d6e29d1b

Mixing in a confined turbulent impinging jet using planar laser-induced fluorescence

Autor: Marcus Aldén, F. Guillard, R. Fritzon, Christian Trägårdh, Laszlo Fuchs, Johan Revstedt

Publikováno v: Experiments in Fluids. 25:143-150

The non-intrusive Planar Laser-Induced Fluorescence (PLIF) technique was applied to the study of the mixing of a turbulent water jet impinging orthogonally onto a flat surface. A procedure for calibrating the system at each pixel of a CCD camera arra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6b3660837c9e54a3755ac0051480558
https://doi.org/10.1007/s003480050218

Two-photon induced polarization spectroscopy applied to the detection of NH3 and CO molecules in cold flows and flames

Autor: Nikola Georgiev, R. Fritzon, K. Nyholm, Marcus Aldén

Publikováno v: Nyholm, K, Fritzon, R, Georgiev, N & Aldén, M 1995, ' Two-photon induced polarization spectroscopy applied to the detection of NH 3 and CO molecules in cold flows and flames ', Optics Communications, vol. 114, no. 1-2, pp. 76-82 . https://doi.org/10.1016/0030-4018(94)00554-8

Two-photon induced polarization spectroscopy, TIPS, is demonstrated for the detection of NH3 and CO molecules. Measurements were performed in flow as well as in flame environments. The signal dependence on the laser pulse intensity and on the pump be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd3235b126b672a20e7886784c0321bc
https://cris.vtt.fi/en/publications/0886c2cc-aee1-4090-b46c-7bfa38dae1dc

Two-dimensional imaging of OH in flames by use of polarization spectroscopy

Autor: K. Nyholm, Marcus Aldén, R. Fritzon

Publikováno v: Nyholm, K, Fritzon, R & Aldén, M 1993, ' Two-dimensional imaging of OH in flames by use of polarization spectroscopy ', Optics Letters, vol. 18, no. 19, pp. 1672-1674 . https://doi.org/10.1364/OL.18.001672

Two-dimensional imaging of OH radicals in a premixed CH4/O2 flame by polarization spectroscopy is reported. Polarization spectroscopy was applied in a copropagating geometry with linearly polarized pump and probe beams. The images were measured with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a2f39978f82ec14d66812ec1c162840
https://doi.org/10.1364/OL.18.001672

Developments of the amplified stimulated emission technique for spatially resolved species detection in flames

Autor: R. Fritzon, Nikola Georgiev, Marcus Aldén, Kaj Nyholm

Publikováno v: Georgiev, N, Nyholm, K, Fritzon, R & Aldén, M 1994, ' Developments of the amplified stimulated emission technique for spatially resolved species detection in flames ', Optics Communications, vol. 108, no. 1-3, pp. 71-76 . https://doi.org/10.1016/0030-4018(94)90218-6

It is demonstrated that the amplified stimulated emission technique can be applied for spatially resolved detection of flame species requiring a two-photon excitation process. The approach utilizes two laser beams of different wavelengths produced by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::632d0333dc1f8bcf5e6aa0a7b41ebf1b
https://cris.vtt.fi/en/publications/c4fa91d1-a041-45cf-85a8-ff535b181ef7