Skip to Main Content
Microwave Engineering
book

Microwave Engineering

by Ahmad Shahid Khan
May 2014
Intermediate to advanced content levelIntermediate to advanced
800 pages
24h 50m
English
CRC Press
Content preview from Microwave Engineering
332 Microwave Engineering
Figure 9.19. This lens delays or slows down the propagating wave as it
passes through the lens. The phase delay in the passing wave is determined
by the refractive index that is related to the dielectric constant (n =
ε
) of
the material. In most cases, articial dielectrics, consisting of conducting
rods or spheres that are small compared to the wavelength, are used to
construct delay lenses. Owing to contours of the lens, the inner portion of
the transmitted wave is decelerated for a longer interval of time than the
outer portions. Such a non-uniform delay causes the radiated wave to be
collimate
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Microwave Engineering: Land & Space Radiocommunications

Microwave Engineering: Land & Space Radiocommunications

Gérard Barué
Microwave and Radar Engineering

Microwave and Radar Engineering

Gottapu Sasibhushana Rao

Publisher Resources

ISBN: 9781466591417