High frequency, medium power gyrotrons (Gyrotron FU series) have been developed at Fukui University as radiation sources covering a broad frequency band from millimeter to submillimeter wave region. Conversion from the gyrotron output of circular waveguide mode into a Gaussian-like beam is useful for applications of the gyrotron to a wide field. A high mode purity output is necessary for an effective conversion. In order to improve mode purity, a nonlinear cavity which is designed using a scattering matrix code and fabricated, is installed in the Gyrotron FU VA. The measurement of radiation patterns confirmed a high purity mode operation.
High quality operation of high frequency gyrotron
2002-01-01
136375 byte
Conference paper
Electronic Resource
English
High Quality Operation of High Frequency Gyrotron (Invited)
British Library Conference Proceedings | 2002
|High quality operation of a submillimeter wave gyrotron
IEEE | 2005
|WA4-1 High Quality Operation of a Submillimeter Wave Gyrotron
British Library Conference Proceedings | 2005
|British Library Online Contents | 1998
|Improved Gyrotron Cavity with High Quality Factor
British Library Online Contents | 1995
|