Category: sci. papers
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Research on nanometer-thin pyrolyzed-carbon film on silicon nitride membrane is published
The new research paper by Justinas Jorudas et al. just recently was published in the journal Nanotechnology by IOP Publishing. The study reports on one of the first successful attempts to layer down the nm-scale-thick graphitic film on the wide-spectral-range transparent membrane. The results are promising in the field of development of broadband barometric radiation…
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Graphical Abstract from our Lab on the Cover of Laser & Photonics Review Journal May Issue
This week we celebrate the issue of Laser & Photonics Review with a cover decorated with our graphical abstract from the article by Sergejus Orlov, Rusnė Ivaškevičiūtė-Povilauskienė et al. This promoted review paper is available as free access publication through the link: https://doi.org/10.1002/lpor.202470028
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Research on the bovine femur and tibia bones using THz time-domain spectroscopy
A new research recently published in the scientific journal Food Bioscience includes the THz time-domain spectroscopy results of the bovine bone powder. The optical properties were measured in THz range for adult cows’ femur and tibia bones from the same breed and in the age range from 93 to 120 months. The spectral data were…
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IRMMW-THz 2023
This week the lab staff is visiting Montreal, Canada, for 48th International Conference on Infrared , Millimeter, and Terahertz Waves. It is indeed the main event in the field of terahertz research. This year Terahertz Photonics Laboratory contributed 8 talks in various THz research fields. Here are the list of presentations and the presenting authors:…
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Coexistence of Bloch and Parametric Mechanisms of High-Frequency Gain in Doped Superlattices
New open access article is published in the journal Nanomaterials (MDPI) by Vladislovas Čižas, Natalia Alexeeva, Kirill N. Alekseev and Gintaras Valušis. Theoretical study dives into the physical mechanisms of high-frequency gain in a doped semiconductor superlattice The findings of the research contributes to the advancement of new miniature GHz–THz frequency generators, amplifiers, and dividers…
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Electro-optical modulation of terahertz beam by drifting space-charge domains in n-GaN epilayers
The research article by Roman B. Balagula, Liudvikas Subačius, Paweł Prystawko, and Irmantas Kašalynas is published in Journal of Applied Physics, AIP Publishing. The work entitled “Electro-optical modulation of terahertz beam by drifting space-charge domains in n-GaN epilayers” investigates the transmission modulation of THz field in GaN semiconductor as a response to space-charge domains under…
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A Review: Semiconductor Characterization by Terahertz Excitation Spectroscopy
A comprehensive review written by Arūnas Krotkus, Ignas Nevinskas and Ričardas Norkus on the terahertz excitation spectroscopy and it’s applications is recently published in the journal “Materials” by MDPI Publisher. The experimental technique known as the THz excitation spectroscopy is used as a contactless method to study the band structure and investigate the ultrafast processes…
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The 2023 terahertz science and technology roadmap
New roadmap for THz science and technology is just published in the Journal of Physics D: Applied Physics by IOP Publishing. Among the number of distinguished authors one can find Gintaras Valušis who have significantly contributed to the publication. Congratulations! The roadmap is a collection of sections addressing the particular aspects of latest THz technology…
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New paper about structured THz radiation: Imaging with Airy beam
New paper by Rusnė Ivaškevičiūtė-Povilauskienė et. al just published in Light Science and Applications journal by Nature publishing group entitled ”Terahertz structured light: nonparaxial Airy imaging using silicon diffractive optics”. The work demonstrates the structured nonparaxial THz light in the form of Airy, Bessel, and Gaussian beams generated in a compact way using exclusively silicon…