Articles you may be interested inInvestigation of an oversized backward wave oscillator as a high power microwave generator Appl. Phys. Lett. 92, 054102 (2008); 10.1063/1.2840193 Active microwave pulse compressors employing oversized resonators and distributed plasma switches AIP Conf. Proc. 472, 975 (1999); 10.1063/1.58879 Image analysis and dataacquisition techniques for infrared and CCD cameras for ATF Rev.A new method of mode analysis of multimode microwaves in an oversize waveguide is developed which utilizes infrared camera images of the radiation profile of microwaves launched from the waveguide end. Systematic variations of the radiation pattern with different phase shifts among constituent modes are compared with theoretical predictions to identify the constituent modes and to determine their fraction of power. Characteristics of a step-wise modulated TEe2-TEct mode converter are examined by using this method. It is demonstrated that this method is useful as a practical means for on-site analysis of waveguide properties.
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