Effect of self-fields on the electron cyclotron maser instability in a dielectric loaded waveguide Elnaz Khalilzadeh, Amir Chakhmachi and Behrouz Maraghechi Eur. Phys. J. D, 69 11 (2015) 256 Published online: 17 November 2015 DOI: 10.1140/epjd/e2015-60254-9