microwave resonator questions

A Q Band resonator (35GHz) was optimized for its H field. It has a rather homogeneous H field in the sample space and is supposed to have no or littele E field there. The E field has never been investigated. This project was to have a closer look at the E field. The geometry looks like

a view at the Q band resonator

The matching is done with a teflon rod having a metal pellet on its tip. The matching behaves as

behaviour of the matcher

or zoomed

behaviour of the matcher, zoomed

the E field then as static image in a horizontal crossection

E field at max phase, static

and as movie

As can be seen, the E field is pulled into the sample wall.

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last updated 9.dec.2006

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