Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Arttu Luukanen"'
Publikováno v:
Passive and Active Millimeter-Wave Imaging XXIV.
The COVID-19 pandemic has created massive socio-economic disruptions globally. As it is certain that this pandemic is not the last one that the World is to experience, there are ongoing massive efforts to strengthen the resilience of today's globalis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::051d345861b04d648904d572a115b075
https://doi.org/10.1117/12.2589749
https://doi.org/10.1117/12.2589749
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
Publikováno v:
IEEE Transactions on Antennas and Propagation, 66(2)
IEEE Transactions on Antennas and Propagation
IEEE Transactions on Antennas and Propagation
A wide field of view (FOV) inversely magnified dual-lens system for submillimeter wavelength imagers is presented in this paper. The antenna is designed for near-field focusing, at a range of 2.1 m from the primary aperture and to work in the frequen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15f492e79c43b07f4c6c5d5b01fd7f51
http://resolver.tudelft.nl/uuid:b8ab5f07-7d38-48d8-82d8-81f299d1c4af
http://resolver.tudelft.nl/uuid:b8ab5f07-7d38-48d8-82d8-81f299d1c4af
Autor:
Hannu Sipola, Juha Ala-Laurinaho, Mika Aikio, Visa Vesterinen, Juho Luomahaara, Andrey Timofeev, Leif Grönberg, Kirsi Tappura, Aki Mäyrä, Mikko Metso, Arttu Luukanen, Juha Hassel
Publikováno v:
Timofeev, A, Luomahaara, J, Grönberg, L, Mäyrä, A, Sipola, H, Aikio, M, Metso, M, Vesterinen, V, Tappura, K, Ala-Laurinaho, J, Luukanen, A & Hassel, J 2017, ' Optical and electrical characterization of a large kinetic inductance bolometer focal plane array ', IEEE Transactions on Terahertz Science and Technology, vol. 7, no. 2, 7811297, pp. 218-224 . https://doi.org/10.1109/TTHZ.2016.2639470
Sub-THz imaging techniques are currently emerging with applications especially in security screening requiring higher throughput in mass transit and public areas. In the context of person imagers, the field of view and the spatial resolution set the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5e6201172226ced056c8950487cf9ba
https://cris.vtt.fi/en/publications/c28bce60-efcc-4404-93b8-f88e9bd9b02b
https://cris.vtt.fi/en/publications/c28bce60-efcc-4404-93b8-f88e9bd9b02b
Autor:
Leif Grönberg, Andrey Timofeev, Hannu Sipola, Juho Luomahaara, Arttu Luukanen, Anssi Rautiainen, Juha Hassel
Publikováno v:
Sipola, H, Luomahaara, J, Timofeev, A, Grönberg, L, Rautiainen, A, Luukanen, A & Hassel, J 2019, ' Multiplexed readout of kinetic inductance bolometer arrays ', Review of Scientific Instruments, vol. 90, no. 7, 074702 . https://doi.org/10.1063/1.5091754
Kinetic inductance bolometer (KIB) technology is a candidate for passive sub-millimeter wave and terahertz imaging systems. Its benefits include scalability into large 2D arrays and operation with intermediate cryogenics in the temperature range of 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43648d2460eb7ef8589119dfd8904880
https://doi.org/10.1063/1.5091754
https://doi.org/10.1063/1.5091754
Autor:
Arttu Luukanen, Jussi Säily, P. Rantakari, Sampo Makela, Juha Ala-Laurinaho, Paivi Koivisto, Janne Häkli, Antti V. Räisänen, Aleksi Tamminen
Publikováno v:
Tamminen, A, Mäkelä, S, Ala-Laurinaho, J, Häkli, J, Koivisto, P, Rantakari, P, Säily, J, Luukanen, A & Räisänen, A V 2013, ' Reflectarray Design for 120-GHz Radar Application : Measurement Results ', IEEE Transactions on Antennas and Propagation, vol. 61, no. 10, pp. 5036-5047 . https://doi.org/10.1109/TAP.2013.2273256
In this paper, we present design and experimental results on reflectarrays at 120 GHz. The offset-fed reflectarrays consist of conductor-backed coplanar patch antennas with phase-shifting stubs. Three 138-mm reflectarrays are lithographically fabrica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d45e6d00f39f6fda31180256cf4e312
https://doi.org/10.1109/TAP.2013.2273256
https://doi.org/10.1109/TAP.2013.2273256
Publikováno v:
Luomahaara, J, Säily, J, Pursula, P, Luukanen, A & Hassel, J 2016, Characterization sub-range-bin spatial features with frequency modulated continuous wave radar operated at 650 GHz . in 2016 Global Symposium on Millimeter Waves (GSMM) & ESA Workshop on Millimetre-Wave Technology and Applications . IEEE Institute of Electrical and Electronic Engineers, pp. 1-3, 2016 Global Symposium on Millimeter Waves, GSMM 2016 and ESA Workshop on Millimetre-Wave Technology and Applications, Espoo, Finland, 6/06/16 . https://doi.org/10.1109/GSMM.2016.7500333
In this paper we present imaging results obtained from frequency modulated continuous wave radar setup operated at 650 GHz and optimized for imaging of objects with lateral dimensions between 1 - 20 cm. We consider in particular the ability and the b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::158c79bfbf0e5c7a43a637be78099e73
https://cris.vtt.fi/en/publications/f278b614-75b1-4da7-a6e5-94d7bd9612d8
https://cris.vtt.fi/en/publications/f278b614-75b1-4da7-a6e5-94d7bd9612d8
Autor:
Aleksi Tamminen, Anssi Rautiainen, Sissi Enestam, Perttu Kajatkari, Mikko Leivo, Olli Kivimäki, Arttu Luukanen
Publikováno v:
SPIE Proceedings.
In 2015, Asqella Oy commercialized a passive multi-band submillimeter-wave camera system intended for use in walk-by personnel security screening applications. In this paper we study the imagery acquired with the prototype of the ARGON passive multi-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef9d1a7df89d7515ff044eb308cd00b6
https://doi.org/10.1117/12.2229029
https://doi.org/10.1117/12.2229029
Publikováno v:
Timofeev, A, Hassel, J, Luukanen, A, Helistö, P & Grönberg, L Jan. 21 2016, Superconducting thermal detector (bolometer) of terahertz (sub-millimeter wave) radiation, Patent No. US2016018267 .
VTT Technical Research Centre of Finland-PURE
VTT Technical Research Centre of Finland-PURE
A superconducting thermal detector (bolometer) of THz (sub-millimeter) wave radiation based on sensing the change in the amplitude or phase of a resonator circuit, consisting of a capacitor (Csh) and a superconducting temperature dependent inductor w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d2ec575873749e030c0431bb3ff4ebdf
https://cris.vtt.fi/en/publications/12a527ed-4634-4a14-b589-806587bdbcda
https://cris.vtt.fi/en/publications/12a527ed-4634-4a14-b589-806587bdbcda
Autor:
J. Ala-Laurinaho, Erich N. Grossman, Antti V. Räisänen, J. Mallat, Aleksi Tamminen, Arttu Luukanen
Publikováno v:
Journal of electromagnetic engineering and science. 10:132-137
We present results of room-temperature characterization of lithographically manufactured antenna-coupled NbN microbolometers. The bolometers are assembled together with a hyper-hemispherical Si lens to couple the incident radiation to the bolometer f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d22850058a10394e9b7afbca1022651f
https://doi.org/10.5515/jkiees.2010.10.3.132
https://doi.org/10.5515/jkiees.2010.10.3.132