Wh-1 Polarisation of Microwaves
Published: Wednesday 15 March 2006 - Updated: Thursday 31 March 2011
To demonstrate the action of a polarising grill.
- Microwave apparatus
- Polarising grill
- Diode detector
Click on pictures to enlarge.
The microwave transmitter is directed at a wire grid composed of parallel wires spaced approximately 1 centimetre apart. With the transmitter vertical,it is found that the signal received is a minimum when the wires are also vertical. No reduction in intensity when the wires are perpendicular to the transmitter.