User:Steve Quinn/Microwave lens

A microwave lens is an optical device engineered to focus the longer wavelengths of the electromagnetic spectrum, i.e., radio waves, and microwaves. It is based on the same principles as an ordinary optical lens.

Microwave lens

 * Metallic delay lens image (NEETS module).


 * Bootlace lens for multiple beam forming, . This appears to be related to the so-called Rotman lens . Here is a related patent awarded to Walter Rotman.
 * metal lens antenna - Radar: the Electronic Eye - by Maurice Rubin

Metal plate microwave lens
Sidelobe:

Sidelobe Level, Dimensional Tolerance, Axial Feed Position, Bandwidth,

Lens antenna

 * Comparison of Action of Glass Lens to That of Metallic Lens. Army Correspondence Course.

Fresnel Zone Antennas

 * Cheng-Hung Lin, et al Planar Fresnel Zone Lens Antenna. 2 pages.
 * Progress In Electromagnetics Research Symposium, Beijing, China, March 23 -- 27, 2009.
 * (co-authors: Guan-Yu Chen, Jwo-Shiun Sun, Kwong-Kau Tion, Yu-Hsiang Chen, Tsan-Hsuan Peng, and Y. D. Chen)


 * Guo, Y. J. and S. K. Barton, Fresnel Zone Antennas, Kluwer Academic Publishers, 2002.
 * description: "Principles of Fresnel zone antenna provide the basics of the various Fesnel zone antenna approaches, in order to achieve low profile and low cost antenna in the microwave band."


 * Alan F. Kay. Application of Fresnel Zone Theory to Microwave Antenna Design. 56 pages. November 15,1962.
 * Contract Number AF19(604)-8057. Project Number 151. Scientific Report Number 3. Project 4600. Task 460002.