260 GHz CW gyrotron heating substitution with second-long laser pulses in waveguide semiconductor switchesM.L. Kulygin, G.G. Denisov, S.H. Salahetdinov, S.V. Shubin, E.A. Novikov and I.A. LitovskyEPJ Web Conf., 149 (2017) 04030DOI: https://doi.org/10.1051/epjconf/201714904030