IEEE Antenna & Propagation; Microwave Theory & Techniques; and Aerospace & Electronic Systems and Electron Devices Societies Lecture Series

Dr. Nathan Cohen, CEO of Fractal Antenna Systems Inc will give a seminar on fractal antennas and RF cloaking with live demo.

Date: Thursday, October 25, 2012                          Time: 6:00 PM

Location: MIT Lincoln Laboratory A-Café             Refreshments served at 5:30pm

TITLE: You Can Do That? Twenty Five Years of Fractal Antennas
  

Abstract: This year marks the 25th year of the creation and recognition of fractal antennas as a new and worthwhile class of antenna design. Despite this longevity, published summaries remain poor in accuracy and detail, although fractal antenna advantages are unrealized with other design approaches. This talk presents a variety of ways in which fractal antenna technology (including fractal resonators and fractal metamaterials) has been used to produce: smaller, multiband antennas without components; wideband invariant antennas with huge bandwidths; sparse array that are frequency invariant and low in sidelobes; lower profile antennas with better performance on metal; extremely low RCS radar targets; fractal metasurface wideband radiators; wideband invisibility cloaks; rapid convergence design algorithms; and so on. I will also debunk claims about electrically small antennas; 'ecumenical' antenna performance; and so on, which have prevented more rapid progress in fractal antenna acceptance in the United States. A live demonstration will also be shown.

 

Bio: Nathan Cohen is the CEO of Fractal Antenna Systems, Inc. of Waltham, MA. He is the founder of fractal antenna technology and holds over 2 dozen patents on them. Previously he was an academic radio astronomer and physicist who retired as a professor from Boston University in 2002. He holds a Ph.D. from Cornell University and conducted his thesis work at Haystack observatory on Very Long Baseline Interferometry (arrays) and gravitational lenses. He has authored over 80 papers and 3 books.

For more information, contact Antennas & Propagation chair, Raoul O. Ouedraogo, raoul.ouedraogo@ll.mit.edu

For directions please see: http://www.ll.mit.edu/about/map.html