Zobrazeno 1 - 10
of 116
pro vyhledávání: '"R. Venckevicius"'
Autor:
Alexander E. Hramov, Feodor Kusmartsev, Alexey A. Koronovskii, Kirill N. Alekseev, Vladimir V. Makarov, R. Venckevicius, Gintaras Valušis, Alexander G. Balanov, Vladimir A. Maksimenko
Publikováno v:
JETP Letters. 103:465-470
A very simple model describing steady-state electron transport along a quantum superlattice of a finite length taking into account an arbitrary electrical characteristic of the injecting contact is considered. In the singleminiband approximation, exa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4d7eef8deda914e10b2ddd4e8479601
https://doi.org/10.1134/s0021364016070080
https://doi.org/10.1134/s0021364016070080
Terahertz absorption and reflection imaging of carcinoma-affected colon tissues embedded in paraffin
Autor:
Faustino Wahaia, G. Molis, Gintaras Valušis, Catia D. Carvalho Silva, Irmantas Kašalynas, Andrzej Urbanowicz, Pedro L. Granja, Dalius Seliuta, R. Venckevicius, Fátima Carneiro
Publikováno v:
Journal of Molecular Structure. 1107:214-219
In the present study, dehydrated human colon tissues embedded in paraffin were studied at THz frequency. A compact THz imaging system with high numerical aperture optics was developed for the analysis of adenocarcinoma-affected colon sections, in tra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b68da3d6c487feb73103be13e8675313
https://doi.org/10.1016/j.molstruc.2015.11.048
https://doi.org/10.1016/j.molstruc.2015.11.048
Autor:
Gintaras Valušis, Aleksander Zidanšek, Andreja Abina, Uroš Puc, Irmantas Kašalynas, R. Venckevicius, A. Jeglic
Publikováno v:
Sensors (Basel, Switzerland)
Sensors
Volume 18
Issue 12
Sensors, Vol 18, Iss 12, p 4098 (2018)
Sensors
Volume 18
Issue 12
Sensors, Vol 18, Iss 12, p 4098 (2018)
There is a need for fast and reliable quality and authenticity control tools of pharmaceutical ingredients. Among others, hormone containing drugs and foods are subject to scrutiny. In this study, terahertz (THz) spectroscopy and THz imaging are appl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::882621fe3274ef74e943e38871e42c5f
http://europepmc.org/articles/PMC6308847
http://europepmc.org/articles/PMC6308847
Autor:
Uroš Puc, Jana Prah, Andreja Abina, Irmantas Kašalynas, R. Venckevicius, A. Jeglic, Gintaras Valušis, Aleksander Zidanšek
Publikováno v:
Talanta. 143:169-177
In different industrial applications, several strictly defined parameters of calcium-based microfillers such as average particle size, particle size distribution, morphology, specific surface area, polymorphism and chemical purity, play a key role in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6022ca563cc9d49310816b6e5617649
https://doi.org/10.1016/j.talanta.2015.05.027
https://doi.org/10.1016/j.talanta.2015.05.027
Autor:
Vincas Tamošiūnas, Gintaras Valušis, Bogdan Voisiat, Domas Jokubauskis, Linas Minkevičius, Irmantas Kašalynas, Dalius Seliuta, Antanas Reklaitis, R. Venckevicius, Gediminas Račiukaitis
Publikováno v:
Terahertz Emitters, Receivers, and Applications VIII.
Convenience in use of room-temperature terahertz (THz) imaging systems, reduction of their dimensions and presence of on-chip solutions remains one of prime interests for direct implementation aims. Solid-state-based solutions in miniaturization of s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00a93a405dc351cd9a1181bb631d928
https://doi.org/10.1117/12.2273353
https://doi.org/10.1117/12.2273353
Autor:
Bogdan Voisiat, Gediminas Račiukaitis, K. Madeikis, Linas Minkevičius, Gintaras Valušis, Vincas Tamošiūnas, Irmantas Kašalynas, R. Venckevicius
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 35:699-702
Search of novel breakthrough concepts of room temperature compact terahertz (THz) imaging systems [1–3] remains as one of sensitive topics in THz photonics. As a rule, a particular attention is attributed to the development of compact THz sources a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e629488bbf0ee2680f8d2355f505115c
https://doi.org/10.1007/s10762-014-0086-8
https://doi.org/10.1007/s10762-014-0086-8
Autor:
Sebastian Boppel, R. Venckevicius, Irmantas Kašalynas, Linas Minkevičius, Maris Bauer, Eran Socher, Bassam Khamaisi, Alvydas Lisauskas, Dalius Seliuta, Gintaras Valušis, Hartmut G. Roskos, Viktor Krozer, Martin Mundt
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 35:63-80
We summarize three lines of development and investigation of foundry-processed patch-antenna-coupled Si MOSFETs as detectors of THz radiation: (i) Exploiting the pinciple of plasma-waved-based mixing in the two-dimensional electron gas of the transis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5f4d0173216574830bd311276ad8a11
https://doi.org/10.1007/s10762-013-0047-7
https://doi.org/10.1007/s10762-013-0047-7
Publikováno v:
IEEE Sensors Journal. 13:50-54
Continuous wave spectroscopic terahertz imaging with InGaAs bow-tie diodes is demonstrated at room temperature. Spectra and images of plastic explosive simulators prepared from tartaric acid and sucrose are recorded within the frequency range of 0.58
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebbd72ae95427d0cb52e658389ac9d3c
https://doi.org/10.1109/jsen.2012.2223459
https://doi.org/10.1109/jsen.2012.2223459
Autor:
Gintaras Valušis, Kinan E. Nasser, Irmantas Kašalynas, Andrzej Urbanowicz, Vytautas Jakštas, R. Venckevicius, Mindaugas Karaliūnas
Publikováno v:
SPIE Proceedings.
In this work, a comparative research of biologically active organic molecules in its natural environment using the terahertz (THz) time domain spectroscopy (TDS) and Fourier transform spectroscopy (FTS) systems is carried out. Absorption coefficient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c617e7e2cbff134e9fe526b3ff46df04
https://doi.org/10.1117/12.2238242
https://doi.org/10.1117/12.2238242
Autor:
Aleksander Sešek, Catia D. Carvalho Silva, V. Tamosionas, Vytautas Janonis, Janez Trontelj, Faustino Wahaia, Linas Minkevičius, Gintaras Valušis, Irmantas Kašalynas, R. Venckevicius, Dalius Seliuta
Publikováno v:
2016 41st International Conference on Infrared, Millimeter, and Terahertz waves (IRMMW-THz).
The terahertz (THz) imaging enhanced with compact diffractive lenses and sensitive room temperature THz detectors was demonstrated to be suitable for carcinoma zones screening in bio-tissues. Optical transmission of the dehydrated histological sectio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4dcaa0b7876be2ef728a8a0d9072ab5a
https://doi.org/10.1109/irmmw-thz.2016.7758885
https://doi.org/10.1109/irmmw-thz.2016.7758885