Design of polygonal patch antennas with a broad-band behavior via a proper perturbation of conventional rectangular radiators

2004 ◽  
Author(s):  
F. Bilotti ◽  
A. Alu ◽  
M. Manzini ◽  
L. Vegni
Keyword(s):  
Broad Band ◽  
Patch Antennas

Broad-Band U-Slot Patch Antennas Loaded By Chiral Material

2001 ◽  
Vol 15 (10) ◽  
pp. 1303-1317 ◽  
Author(s):  
G. Scamarcio ◽  
F. Bilotti ◽  
A. Toscano ◽  
L. Vegni
Keyword(s):  
Broad Band ◽  
Patch Antennas

scholarly journals Broad-Band Double-Layered Coplanar Patch Antennas With Adjustable CPW Feeding Structure

2004 ◽  
Vol 52 (11) ◽  
pp. 3153-3156 ◽  
Author(s):  
K.F. Tong ◽  
K. Li ◽  
T. Matsui ◽  
M. Izutsu
Keyword(s):  
Broad Band ◽  
Patch Antennas ◽  
Feeding Structure

DESIGN OF BROAD-BAND POLYGONAL PATCH ANTENNAS FOR MOBILE COMMUNICATIONS

2004 ◽  
Vol 18 (1) ◽  
pp. 61-72 ◽  
Author(s):  
M. Manzini ◽  
F. Bilotti ◽  
A. Alù ◽  
L. Vegni
Keyword(s):  
Mobile Communications ◽  
Broad Band ◽  
Patch Antennas

Chronic Laser Exposure Effects on Rabbit Retina

1972 ◽  
Vol 30 ◽  
pp. 54-55
Author(s):  
Burton B. Silver ◽  
Theodore Lawwill
Keyword(s):  
Laser Irradiation ◽  
Laser Light ◽  
Broad Band ◽  
Argon Laser ◽  
Atropine Sulfate ◽  
Ultrastructural Changes ◽  
Laser Exposure ◽  
Rabbit Retina ◽  
Histological Changes ◽  
Threshold Doses

Dutch-belted 1 to 2.5 kg anesthetized rabbits were exposed to either xenon or argon laser light administered in a broad band, designed to cover large areas of the retina. For laser exposure, the pupil was dilated with atropine sulfate 1% and pheny lephrine 10%. All of the laser generated power was within a band centered at 5145.0 Anstroms. Established threshold for 4 hour exposures to laser irradiation are in the order of 25-35 microwatts/cm2. Animals examined for ultrastructural changes received 4 hour threshold doses. These animals exhibited ERG, opthalmascopic, and histological changes consistent with threshold damage.One month following exposure the rabbits were killed with pentobarbitol. The eyes were immediately enucleated and dissected while bathed in 3% phosphate buffered gluteraldehyde.

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