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红外与毫米波学报 2010
INVESTIGATION ON RADIATION FROM A VLASOV MODE CONVERTER FOR W-BAND WHISPERING-GALLERY MODE GYROTRON
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Abstract:
The principle of Vlasov mode converter for whispering-gallery mode gyrotron was studied in detail by using a geometric optics model.The radiation field passing through the mode converter was analyzed by using the equivalent image source model and the vector diffraction theory.After considering some particular parameters of W-band whispering-gallery mode gyrotron,the field distribution of radiated beam passing throngh Vlasov mode converter was discussed by numerical calculation.The results indicate that the ...