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Telecommunications and Radio Engineering

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v66.i11.60
pages 1013-1021

Formation of Uniform Field Distributions in a Quasi-Optical Waveguide Resonator Containing a Spherical Convex Reflector

A. V. Volodenko
V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkov, 61077
O. V. Gurin
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61077
A. V. Degtiariov
Kharkov National University of Radio Engineering and Electronics, 14, Lenin Ave, Kharkiv, 61166; V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkiv, 61077, Ukraine
V. A. Maslov
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61077
V. A. Svich
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61077
A. N. Topkov
V. Karazin Kharkiv National University 4, Svoboda Sq., 61077 Kharkiv, Ukraine

ABSTRACT

A technique is suggested for obtaining uniform intensity distributions of the non-Gaussian light beams in quasi-optical resonant cavities formed of waveguide sections. The technique is based on coherent summation of transverse guided modes through variation of the radius of curvature in one of the reflectors. The eigen function expansion is used to develop a theoretical model and calculation algorithm for characteristics of the fundamental mode with a uniformly distributed intensity at the output mirror of the resonator. The existence conditions of the mode under discussion and the stability of its characteristics are analyzed in dependence on parameters of the spherical reflector.