3 papers
physics.optics2024
Si Superstrate Lenses on Patch-Antenna-Coupled TeraFETs: NEP Optimization and Frequency Fine-Tuning
Anastasiya Krysl, Dmytro B. But, Kęstutis Ikamas +4
This paper presents a study on performance optimization and resonant frequency modification of terahertz detectors by the use of hyper-hemispherical silicon superstrate lenses. The…
physics.optics2023
Principles for single-pixel terahertz imaging based on the engineering of illuminating and collecting nonparaxial diffractive optics
Sergej Orlov, Rusnė Ivaškevičiūtė-Povilauskienė, Karolis Mundrys +7
The art of light engineering unveils a world of possibilities through the meticulous manipulation of photonic properties such as intensity, phase, and polarization. The precise con…
physics.optics2023
Coloured Digital Terahertz Holography Within 1.39-4.25 THz range
Rusne Ivaskeviciute-Povilauskiene, Linas Minkevicius, Ignas Grigelionis +5
Terahertz coloured digital holography ranging from 1.39 THz up to 4.25 THz is demonstrated. It is shown that it can be applied for the investigation of low-absorbing objects, and i…