Microwave Zone Plate Setup
Microwave Zone Plates

 

Code Number: 6C20.45

Demo Title: Microwave Zone Plates

Condition: Good

Principle: Focusing by Plates and Lines

Area of Study: Optics

Equipment: 

Microwave zone plates, microwave transmitter, microwave detector.

Procedure:

Place the zone plate upright and about 4 feet in front of the microwave transmitter.  Look for the focused microwaves at a distance of 3 to 4 feet on the back side of the plates using the microwave detector.

References:

  • Thomas B. Greenslade Jr., "Experiments with Ultrasonic Transducers", TPT, Vol. 32, #7, Oct. 1994, p. 392.
  • Benjamin S. Perkalskis and J. Reuben Freeman, "Diffraction for Fresnel Zones and Subzones Using Microwaves", AJP, Vol. 64, #12, Dec. 1996, p. 1526.
  • Thomas B. Brown, "Microwave Zone Plates", AJP, Vol. 30, #1, Jan. 1962, p. 55.
  • C. L. Andrews, "A Correction to the Treatment of Fresnel Diffraction", AJP, Vol. 19, #5, May 1951, p. 280.
  • Wallace A. Hilton, "W-2", Experiments in Optical Physics, p. 83.