Publicado 12 números por año
ISSN Imprimir: 0040-2508
ISSN En Línea: 1943-6009
Indexed in
PROSPECTS OF GRADIENT GRATINGS USED IN THE TERAHERTZ LASERS
SINOPSIS
Further utilization of terahertz frequency range requires the development and improvement of radiation sources capable of operating in this range. Submillimeter lasers are one of the few sources of terahertz radiation. The use of concave mirrors in a laser cavity is often required to reduce the diffraction loss and the output laser beam divergence. However, such mirrors are much more expensive and more complicated in manufacture than the flat ones. The aim of this work is to study flat gradient metal gratings that possess the properties of spherical mirrors and lenses simultaneously. Flat gradient metal gratings in the form of concentric rings with varying parameters in the radial direction are proposed for solving the focusing problem. Simulation of the properties of a ring grating in which the distance between the rings decreases in the direction from the center to the edges is carried out. The considered grating has the properties of a concave mirror and a focusing lens simultaneously.
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Gurin, O.V., Degtyarev, A.V., Maslov, V.A. et al., (2016) Terahertz Laser Waveguide Resonators with Internal Spherical Mirrors, Telecommunications and Radio Engineering, 75(18), pp. 1665-1677. DOI: 10.1615/TelecomRadEng .v75.i18.60.
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Dzyubenko, M.I., Maslov, V.A., and Radionov, V.P., (2016) Applying of the Flat Circular Metal Gratings as Spherical Output Mirrors of Terahertz Lasers, Proc. of the 9th Intern. Kharkiv Symp. on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves (MSMW), pp.1-2. DOI: 10.1109/MSMW.2016.7538117.
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Dzyubenko, M.I., Maslov, V.A., and Radionov, V.P., (2017) Azimuthal Output Mirror of the Laser Cavity, Ukraine Patent No. 115126, (in Ukrainian).
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Dzyubenko, M.I., Radionov, V.P., Maslov, V.A., and Odarenko, E.N., (2017) Plane Circular Gradient Grating that Combines the Functions of a Spherical Mirror and a Focusing Lens, Proc. of the IEEE Microwaves, Radar and Remote Sensing Symposium (MRRS), pp. 139-142. DOI: 0.1109/MRRS .2017.8075047.
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Dzyubenko, M.I., Maslov, V.A., Odarenko, E.N., and Radionov, V.P., (2017) Planar Gradient Metamaterial with the Properties of Spherical Partially Transparent Terahertz Mirror, Proc. of the Second Intern. Conf. on Information and Telecommunication Technologies and Radio Electronics (UkrMiCo '2017), pp. 189-192.
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Dzyubenko M. I., Radionov V. P., Maslov V. A., Odarenko E. N., Sectional Circular Gradient Grating with Improved Focusing Characteristics in THz Frequency Range, 2020 IEEE Ukrainian Microwave Week (UkrMW), 2020. Crossref