Calibration Alignment Sensitivity in Corneal Terahertz Imaging

Autor: Faezeh Zarrinkhat, Mariangela Baggio, Joel Lamberg, Aleksi Tamminen, Irina Nefedova, Juha Ala-Laurinaho, Elsayed E. M. Khaled, Juan M. Rius, Jordi Romeu, Zachary Taylor

Publikováno v: Sensors, Vol 22, Iss 9, p 3237 (2022)

Improving the longitudinal modes coupling in layered spherical structure contributes significantly to corneal terahertz sensing, which plays a crucial role in the early diagnosis of cornea dystrophies. Using a steel sphere to calibrate reflection fro

Externí odkaz: https://doaj.org/article/74923ae3dc9a4dd0b35509de2bb52aef

Influence of soft tissue elements on the reparative abilities of the jaw bone tissue

Autor: Oleg Slesarev, Darya Malchikova, Yuliya Yunusova, Olesia Kulakova, Irina Nefedova, Vyacheslav Belanov

Publikováno v: Russian Journal of Dentistry.

BACKGROUND: Treatment of patients with jaws bone defects requires the elimination of the defect, restoration of the dentition and long-term support of the functional state of the dental system. However, dental damages reduce the reparative capabiliti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ed230b3eeff97fd232cbdad6265a7e6
https://doi.org/10.17816/dent217214

A calibration-free method to assess the quality of standards for THz on-wafer measurements

Autor: Maxim Masyukov, Irina Nefedova, Aleksi Tamminen, Kimmo Silvonen, Juan Cabello-Sanchez, Mikko Varonen, Mikko Kantanen, Helena Rodilla, Jan Stake, Zachary Taylor

Publikováno v: Masyukov, M, Nefedova, I, Tamminen, A, Silvonen, K, Cabello-Sanchez, J, Varonen, M, Kantanen, M, Rodilla, H, Stake, J & Taylor, Z 2022, A calibration-free method to assess the quality of standards for THz on-wafer measurements . in IRMMW-THz 2022 : 47th International Conference on Infrared, Millimeter and Terahertz Waves . IEEE Institute of Electrical and Electronic Engineers, International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz, vol. 2022-August, 47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022, Delft, Netherlands, 28/08/22 . https://doi.org/10.1109/IRMMW-THz50927.2022.9895704

A method to assess the quality of the calibration standards has been developed and tested. The actual response of the tested transmission lines for LRRM-16 calibration approach has been simulated in HFSS environment, fabricated, and tested with on-wa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3eeadc836ac3622f80ec688e09efa8b
https://doi.org/10.1109/IRMMW-THz50927.2022.9895704

Characterization of Silver Nanowire Layers in the Terahertz Frequency Range

Autor: Lioubtchenko, Aleksandra Przewłoka, Serguei Smirnov, Irina Nefedova, Aleksandra Krajewska, Igor S. Nefedov, Petr S. Demchenko, Dmitry V. Zykov, Valentin S. Chebotarev, Dmytro B. But, Kamil Stelmaszczyk, Maksym Dub, Dariusz Zasada, Alvydas Lisauskas, Joachim Oberhammer, Mikhail K. Khodzitsky, Wojciech Knap, Dmitri

Publikováno v: Materials; Volume 14; Issue 23; Pages: 7399

Thin layers of silver nanowires are commonly studied for transparent electronics. However, reports of their terahertz (THz) properties are scarce. Here, we present the electrical and optical properties of thin silver nanowire layers with increasing d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=multidiscipl::666b6cc3388850609d45159f3cb8cfac

Optical path length measurement of spherical dielectric shells with axicon-generated Bessel beams; applications to corneal sensing

Autor: Aleksi Tamminen, Vincent P. Wallace, Faezeh Zarrinkhat, Irina Nefedova, Arthur Aspelin, Elliott R. Brown, Mariangela Baggio, Zachary Taylor, Juha Ala-Laurinaho

Publikováno v: 2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz).

A custom aspheric axicon lens for corneal water content sensing, operating from 220 to 330 GHz, was evaluated with spherical, dielectric shell targets. The lens consisted of a hyperbolic back surface and conical front surface with a 25-degree axicon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::408d045ccd7a2137319145065564dd84
https://doi.org/10.1109/irmmw-thz50926.2021.9567440