Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Hannu Vasama"'
Publikováno v:
Silicon Photonics XVIII.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac3f2ba7af9ce8278f1b4d3586360d1a
https://doi.org/10.1117/12.2651389
https://doi.org/10.1117/12.2651389
On-Line Monitoring of Radiocarbon Emissions in a Nuclear Facility with Cavity Ring-Down Spectroscopy
Autor:
Hannu Vasama, Jouni Hokkinen, Miska Hirvelä, Matti Reinikainen, Teemu Kärkelä, Katja Heiskanen, Johannes Lehmuskoski, Guillaume Genoud, Satu Rautio, Jussi Hämäläinen
Publikováno v:
Analytical Chemistry
Lehmuskoski, J, Vasama, H, Hämäläinen, J, Hokkinen, J, Kärkelä, T, Heiskanen, K, Reinikainen, M, Rautio, S, Hirvelä, M & Genoud, G 2021, '
Monitoring of Radiocarbon Emissions in a Nuclear Facility with Cavity Ring-Down Spectroscopy ', Analytical Chemistry, vol. 93, no. 48, pp. 16096–16104 . https://doi.org/10.1021/acs.analchem.1c03814
Lehmuskoski, J, Vasama, H, Hämäläinen, J, Hokkinen, J, Kärkelä, T, Heiskanen, K, Reinikainen, M, Rautio, S, Hirvelä, M & Genoud, G 2021, '
Monitoring of Radiocarbon Emissions in a Nuclear Facility with Cavity Ring-Down Spectroscopy ', Analytical Chemistry, vol. 93, no. 48, pp. 16096–16104 . https://doi.org/10.1021/acs.analchem.1c03814
There are currently no suitable methods for sensitive automated in situ monitoring of gaseous radiocarbon, one of the main sources of radioactive gas emissions from nuclear power plants. Here, we present a transportable instrument for in situ airborn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::438b1cd131ed3ba544e185ad2a02beeb
http://europepmc.org/articles/PMC8655739
http://europepmc.org/articles/PMC8655739
Autor:
Hannu Sipola, Anssi Rautiainen, Hannu Lindström, Nuria Llombart, Aleksi Tamminen, Arttu Luukanen, Erio Gandini, Shahab Oddin Dabironezare, Hannu Vasama, Mikko Leivo, Leif Grönberg, Juha Hassel
Publikováno v:
Hassel, J, Dabironezare, S O, Gandini, E, Grönberg, L, Sipola, H, Rautiainen, A, Tamminen, A, Leivo, M, Lindström, H, Vasama, H, Luukanen, A & Llombart, N 2018, Dual-band submillimeter-wave kinetic inductance bolometers and an imaging system for contraband object detection . in Passive and Active Millimeter-Wave Imaging XXI ., 106340F, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 10634, Passive and Active Millimeter-Wave Imaging XXI 2018, Orlando, United States, 18/04/18 . https://doi.org/10.1117/12.2304722
Kinetic inductance bolometer (KIB) technology is a candidate for scalable submillimeter wave imaging systems, particularly suitable for person security screening applications. We have previously shown that the basic figures of merit are compatible wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7009f57365d16bd1733c97922be99a16
https://cris.vtt.fi/en/publications/76ec4700-1bba-4046-91fc-9caed119f44d
https://cris.vtt.fi/en/publications/76ec4700-1bba-4046-91fc-9caed119f44d
Autor:
Scott L. Cassidy, Robert I. Hunter, David G. Macfarlane, Hannu Lindström, Hannu Vasama, Jussi Tenhunen, Duncan A. Robertson, Antti Jussi Vuotikka, Nuria Llombart, Timo Selkälä, Tomas Bryllert, Erio Gandini, Mattias Ferndahl, Jouni Huopana
Publikováno v:
Robertson, D A, Macfarlane, D G, Hunter, R I, Cassidy, S L, Llombart, N, Gandini, E, Bryllert, T, Ferndahl, M, Lindström, H, Tenhunen, J, Vasama, H, Huopana, J, Selkälä, T & Vuotikka, A J 2017, High resolution, wide field of view, real time 340GHz 3D imaging radar for security screening . in D A Wikner & D A Robertson (eds), Passive and Active Millimeter-Wave Imaging XX ., 101890C, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 10189, Passive and Active Millimeter-Wave Imaging XX 2017, Anaheim, United States, 13/04/17 . https://doi.org/10.1117/12.2262264
Funding: Part of the research leading to these results has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 312745. The EU FP7 project CONSORTIS (Concealed Object Stand-Off Real-Time Imagi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f5f55f8f44b99c9c212671be7b5cbcd2
https://cris.vtt.fi/en/publications/3bc77d7f-cf40-4bfe-92b8-c88e9f2b0926
https://cris.vtt.fi/en/publications/3bc77d7f-cf40-4bfe-92b8-c88e9f2b0926
Autor:
Hannu Vasama, Teemu Kääriäinen, Pekka Suopajärvi, Rami Aikio, Albert Manninen, Eero Hietala, Craig Richmond
Publikováno v:
Kääriäinen, T, Hietala, E, Aikio, R, Vasama, H, Suopajärvi, P, Richmond, C & Manninen, A 2016, Compact, Real-time Analyser for C-13 and O-18 Isotope Ratios of Carbon Dioxide in Breath Air . in OSA Technical Digest ., JT3A.16, Optical Society of America OSA, Imaging and Applied Optics, IS 2016, Heidelberg, Germany, 25/07/16 . https://doi.org/10.1364/3D.2016.JT3A.16
We present a compact and real-time analyser for δ 13C-CO2 and δ 18O-CO2 isotope ratios of CO2 in exhaled breath. The instrument exhibits major improvements compared to instrumentation currently available for isotope-selective diagnostics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2c5254ab7b2d624317abc9a02c59502
https://doi.org/10.1364/3d.2016.jt3a.16
https://doi.org/10.1364/3d.2016.jt3a.16
Autor:
Hannu Vasama, Sanna Aikio, Rauno Mattila, Mika Aikio, Karri Niemelä, Janne Aikio, Jukka-Tapani Mäkinen
Publikováno v:
Mäkinen, J-T, Niemelä, K, Vasama, H, Mattila, R, Aikio, M, Aikio, S & Aikio, J 2005, Add-on laser reading device for a camera phone . in Proceedings Volume 5962, Optical Design and Engineering II ., 596228, International Society for Optics and Photonics SPIE, Proceedings of SPIE, vol. 5962, pp. 685-695, Optical Systems Design 2005, Jena, Thuringia, Germany, 12/09/05 . https://doi.org/10.1117/12.625373
A novel add-on device to a mobile camera phone has been developed. The prototype system contains both laser and LED illumination as well as imaging optics. Main idea behind the device is to have a small printable diffractive ROM (Read Only Memory) el
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8ad76ee0e36dc7598d237d30c25fe2b0
https://doi.org/10.1117/12.625373
https://doi.org/10.1117/12.625373
Autor:
Mikko Utriainen, Petri Saviranta, Sanna Aikio, Marianne Hiltunen, Asko Kokkonen, Aki Mäyrä, Markku Alamäki, Hannu Vasama, Kirsi Tappura
Publikováno v:
VTT Technical Research Centre of Finland-PURE
Scopus-Elsevier
Utriainen, M, Saviranta, P, Aikio, S, Hiltunen, M, Kokkonen, A, Mäyrä, A, Alamäki, M, Vasama, H & Tappura, K 2019, SAFTIR-a novel point-of-need diagnostic platform for animal health and food safety . in B O'Brien, D Hennessy & L Shalloo (eds), Precision Livestock Farming 2019 : Papers Presented at the 9th European Conference on Precision Livestock Farming, ECPLF 2019 . ECPLFF, pp. 721-726, 9th European Conference on Precision Livestock Farming, ECPLF 2019, Cork, Ireland, 26/08/19 .
Scopus-Elsevier
Utriainen, M, Saviranta, P, Aikio, S, Hiltunen, M, Kokkonen, A, Mäyrä, A, Alamäki, M, Vasama, H & Tappura, K 2019, SAFTIR-a novel point-of-need diagnostic platform for animal health and food safety . in B O'Brien, D Hennessy & L Shalloo (eds), Precision Livestock Farming 2019 : Papers Presented at the 9th European Conference on Precision Livestock Farming, ECPLF 2019 . ECPLFF, pp. 721-726, 9th European Conference on Precision Livestock Farming, ECPLF 2019, Cork, Ireland, 26/08/19 .
This paper introduces a portable rapid molecular diagnostics device concept based on unique and novel SAFTIR (Supercritical Angle Fluorescence and Total Internal Reflection) optical transducer technology. The device platform is compatible with numero
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2ffab5dd42dee213212d27b6c714705f
https://cris.vtt.fi/en/publications/fc2cf58f-d565-4715-98f4-6fec6e7ec25d
https://cris.vtt.fi/en/publications/fc2cf58f-d565-4715-98f4-6fec6e7ec25d