The results of experimental research and development of the diffraction radiation oscillator with a periodic structure in form of a reflective double comb and with frequency tuning on mutual coupled modes in its open resonant system were presented. As an operating mode we chose the mutual coupled modes TEM002 → TEM101, which arise in the open resonant system with the shift between mirrors symmetry planes. To analyse its features, a rigorous electrodynamical 2-D model of the open resonant system was used, and the optimal shift width was established. As a result, the operation on the mutual coupled modes allowed to extend the frequency tuning range without failures in output power and to exclude the influence of higher-order modes (TEM20q, TEM30q etc.) on the output characteristics of the oscillator. The research has been carried out in Ka band.
Ievgen O. Kovalov,
Yelena B. Senkevich,
"Diffraction Radiation Oscillator with Frequency Tuning on Mutual Coupled Modes in an Open Resonant System," Progress In Electromagnetics Research C,
Vol. 87, 1-11, 2018. doi:10.2528/PIERC18062101
1. Shestopalov, V. P., The Smith-Purcell Effect, Nova Science Publishers. Inc., Commak, NY, 1998.
2. Korneenkov, V. K., V. S. Miroshnichenko, and B. K. Skrynnik, "Diffraction radiation oscillator for CW and pulsed operation," Telecommunications and Radio Engineering, Vol. 51, No. 6&7, 144-147, 1997.
3. Yang, J., Y. Kan, L. Yang, G. Deng, Z. Yin, and J. Ruan, "Design of 300 GHz diffraction radiation oscillator with double grating," Proceedings of 2015 IEEE International Vacuum Electronics Conference (IVEC-2015), Beijing, 2015.
4. Kurin, V. G., B. K. Skrynnik, and V. P. Shestopalov, "Realization of intermode oscillations in open resonator of diffraction radiation generator," Radiophysics and Quantum Electronics, Vol. 36, No. 11, 779-784, 1993. doi:10.1007/BF01039711
5. Miroshnichenko, V. S., "Competition and cooperation of modes in small-volume DRO with periodic structure of coupled grooved waveguides," Telecommunications and Radio Engineering, Vol. 68, No. 3, 231-245, 2009. doi:10.1615/TelecomRadEng.v68.i3.30
6. Hong, J. S., "Coupling of asynchronously tuned coupled microwave resonators," IEE Proceedings --- Microwaves, Antennas and Propagation, Vol. 147, No. 5, 354-358, 2000. doi:10.1049/ip-map:20000675
7. Park, S., "Mechanism of two-resonant modes for highly resonant wireless power transfer and specific absorption rate," Progress In Electromagnetics Research C, Vol. 69, 181-190, 2016. doi:10.2528/PIERC16083004
8. Shestopalov, V. P. and Y. V. Shestopalov, Spectral Theory and Excitation of Open Structures, The Institution of Electrical Engineering, London, UK, 1996. doi:10.1049/PBEW042E
9. Melezhik, P. N., A. Y. Poedinchuk, Y. A. Tuchkin, and V. P. Shestopalov, "Analytical nature of the vibrational mode-coupling phenomenon," Soviet Physics Doklady, Vol. 33, 420-423, 1988.
10. Kovalov, I. O. and V. S. Miroshnichenko, "The features of diffraction radiation oscillator operating on the 1st Gaussian mode of the open resonant system," 2016 IEEE International Young Scientists Forum on Applied Physics and Engineering (YSF-2016), Kharkiv, Ukraine, Oct. 10-14, 2016.
11. Demchenko, M. Y., V. K. Korneenkov, V. S. Miroshnichenko, A. E. Poedinchuk, Y. V. Svischov, and Y. A. Tuchkin, "An open resonator with a rectangular groove on the mirror: Theory and experiment ," Telecommunications and Radio Engineering, Vol. 58, No. 1&2, 1-16, 2002.
12. Svezhentsev, A. Ye., V. S. Miroshnichenko, and G. A. E. Vandenbosh, "Fast H-waves in double comb infinite arrays," Progress in Electromagnetics Research C, Vol. 80, 119-129, 2018. doi:10.2528/PIERC17091406
13. Revin, I. D., B. K. Skrynnik, A. S. Sysoev, O. A. Tret’yakov, and V. P. Shestopalov, "Linear theory of diffraction radiation oscillator," Radiophysics and Quantum Electronics, Vol. 20, No. 5, 524-533, 1977. doi:10.1007/BF01034423
14. Miroshnichenko, V. S., P. N. Melezhik, and Ye. B. Senkevich, "An open resonance cell for millimeter wave dielectrometer applications," Progress in Electromagnetics Research M, Vol. 4, 47-65, 2008. doi:10.2528/PIERM08062406
15. Miroshnichenko, V. S. and I. O. Kovalov, "Diffraction radiation oscillator with asymmetric open resonant system. Part 2. The hot test results of diffraction radiation oscillator," Journal of Nano- and Electronic Physics, Vol. 8, No. 2, 02034(8), 2016.