Wc-4 Two Slit Interference (using microwaves)
Published: Tuesday 14 March 2006 - Updated: Wednesday 30 March 2011
To demonstrate two slit interference with microwaves.
- Microwave apparatus
- Two Slit apparatus
- Diode detector
Click on pictures to enlarge.
The microwave transmitter is directed towards a large metal screen having two slits separated by a distance comparable to the wavelength (3 cm). As the receiver is moved along the line AB, maxima and minima are observed depending on the path difference of the waves from the two slits.