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电信和无线电工程
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v69.i14.90
pages 1285-1292

FORMATION OF QUASI-HOMOGENEOUS OUTPUT OSCILLATION IN THE WAVEGUIDE METAL RECTANGULAR RESONATOR WITH A HETEROGENEOUS MIRROR

A. V. Volodenko
V. Karazin National University of Kharkov, 4, Svoboda Sq., Kharkov, 61077
O. V. Gurin
V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61022, Ukraine
А. V. Degtyarev
V. Karazin National University of Kharkiv, 4, Svoboda Sq., Kharkiv, 61022, Ukraine
V. A. Maslov
V. Karazin National University of Kharkiv, 4 Svobody Sq., Kharkiv 61022, Ukraine
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

The method of obtaining wave beams of a uniform intensity profile in the waveguide metal rectangular resonator is described. It is based on the self-imaging properties of multimode rectangular waveguide and using a heterogeneous mirror with the discretely distributed absorbing or scattering sections. The theoretical model and calculation algorithm of characteristics of the low-loss Fourier-mode with uniform intensity distribution at the output mirror of the WQR are developed with application of the eigen modes and the Fourier-optics methods. The conditions of Fourier-mode existence are established by changing the resonator geometry and its heterogeneous mirror parameters.

REFERENCES

  1. Gerber, M., Graf, T., and Kudryashov, A., Generation of custom modes in a Nd:YAG laser with a semipassive bimorph adaptive mirror.

  2. Dickey, F.M., Holswade, S.C., and Shealy, D., Laser beam shaping applications.

  3. Volodenko, A.V., Gurin, O.V., Degtyarev, A.V. et al., Formation of non-Gaussian intensity profile in waveguide quasi-optical resonator with aspheric reflector.

  4. Volodenko, A.V., Gurin, O.V., Degtyarev, A.V. et al., Trans-mission and self-imaging of submm laser beams in rectangular metal waveguides.

  5. Feld, Ya.N. (ed.) , Waveguide Handbook.

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