Correction to: Journal of Infrared, Millimeter, and Terahertz Waves (2020) 41:741–749

https://doi.org/10.1007/s10762-020-00701-6

The original article contains mistakes specifically in the presentation of references. The correct one is shown below:

  1. 1.

    Nichiporenko, V.O., et al., State of the Art of 1 MW/105-140 GHz/10 sec Gyrotron Project in GYCOM. Conf. Digest 31st Int. Conf. on Infrared and Millimeter Waves and 14th Int. Conf. on Terahertz Electronics, Shanghai, China, 338 (2006).

  2. 2.

    Thumm, M., et al., EU Megawatt-Class 140-GHz CW Gyrotron, IEEE Trans. on Plasma Science, Vol. 35, 143–153 (2007).

  3. 3.

    Ikeda, R., et al., Multi-Frequency, MW-Power Triode Gyrotron having a Uniform Directional Beam, J Infrared Milli Terahz Waves, Vol. 38, 531–537 (2017).

  4. 4.

    Marchesin, R., et al., Manufacturing and Test of the 1 MW Long-Pulse 84/126 Dual-Frequency Gyrotron for TCV. 20th IEEE Int. Vacuum Electronics Conf. (IVEC 2019), Busan, South Korea, 13.4 (2019).

  5. 5.

    D. Wagner et al., Status, Operation and Extension of the ECRH System at ASDEX Upgrade, International Journal of Infrared, Millimeter and Terahertz Waves, Vol. 37, 45–54 (2016).

  6. 6.

    P. Woskov, Notch Filter Options for ITER Stray Gyrotron Radiation, Proceedings 49th Annual Meeting of the Division of Plasma Physics, Orlando, Florida, 52, No.11, NP8.00111 (2007).

  7. 7.

    D. Wagner et al., Status of the new multi-frequency ECRH System for ASDEX Upgrade, Nuclear Fusion, Vol. 48, 054006 (6pp) (2008).

  8. 8.

    D. Wagner et al., Bragg Reflection Band Stop Filter for ECE on Wega, International Journal of Infrared, Millimeter and Terahertz Waves, Vol. 32, 1424–1433 (2011).

  9. 9.

    D. Wagner et al., A Multifrequency Notch Filter for Millimeter Wave Plasma Diagnostics based on Photonic Bandgaps in Corrugated Circular Waveguides, EPJ Web of Conferences, Vol. 87, 04012 (2015).

  10. 10.

    D. Wagner, J. Pretterebner, M. Thumm, Transverse Resonances in Oversized Waveguides, Proc. 18th Intl. Conf. on Infrared and Millimeter Waves, Colchester, U.K., W6.6 (1993).

  11. 11.

    G.G. Denisov, S.V. Kuzikov, and D.A. Lukovnikov, Simple Millimeter Wave Notch Filters Based on Rectangular Waveguide, International Journal of Infrared and Millimeter Waves, Vol. 16, No.7, 1231–1238 (1995).

  12. 12.

    G.G. Denisov, et al., Design and Test of New Millimeter Wave Notch Filter for Plasma Diagnostics, Proc. 33rd Intl. Conf. on Infrared, Millimeter and Terahertz Waves, Pasadena, USA (2008), https://doi.org/10.1109/ICIMW.2008.4665485.

  13. 13.

    Y.Y. Danilov et al., Millimeter-Wave Tunable Notch Filter Based on Waveguide Extension for Plasma Diagnostics, IEEE Transactions on Plasma Science, Vol. 42, No. 6, 1685–1689 (2014).