Simon Foulkes

5 Questions 7 Answers 0 Followers

Questions related from Simon Foulkes

How to couple a hybrid-mode propagating in a loaded custom rectangular waveguide to either a coax or a standard X-band waveguide?

As part of my research, I need to couple a loaded, custom-sized, rectangular, waveguide (in which a hybrid mode propagates at 8.5GHz) to either a) a coaxial transmission line or b) to a standard...

17 November 2020 6,578 5 View

Custom Electron Beam Drift Tube Suppliers & Manufacturers?

I need to source a custom-sized piece of vacuum tubing to be used as a drift tube for an electron beam system. Does anyone know of any suppliers or manufacturers I may be able to approach for a...

08 January 2020 2,186 2 View

Custom OFHC Copper Tube Suppliers & Manufacturers?

I need to source a custom-sized piece of Oxygen Free High Conductivity (OFHC) copper tubing to be used within an electron beam system. Does anyone know of any suppliers or manufacturers I may be...

08 January 2020 7,852 0 View

How to Calculate Cyclotron Electron Beam / Wave-lines for Dispersion Plots?

I have calculated and plotted the dispersion relation for a cylindrical wave-guide partially loaded with an artificial dielectric. I now need to calculate and plot my cyclotron electron beam /...

08 August 2019 6,803 3 View

Calculation of Dispersion Curves in Partially Loaded Cylindrical Waveguide?

I need to calculate the dispersion curve for a cylindrical waveguide partially loaded with an artificial material. For reference at present I have papers by Brand (2006) and Rao (2007). Can...

23 July 2019 3,568 6 View