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Areas of Interest
Due to the wide range of experience among CASCA members a large variety of research is being simultaneously performed. The main areas of research performed at CASCA are:

Phased Arrays
Digital Beamforming and Imaging
Reflectarrays and Large Apertures
Antennas with New Materials
MIMO Antenna Design / Characterization

For more information about the laboratories that make up CASCA please visit either the UMass Antenna and Propagation Laboratory website or the website for the Antennas Technology Branch of the AFRL Sensor Directorate.

Annually, the UMass Antennas and Propagation Laboratory and AFRL Sensor Directorate, along with the University of Illinois Electromagnetics Laboratory and U.S. Army Research Office, co-sponsor the Antenna Applications Symposium at Robert Allerton Park in Monticello, IL. The symposium is unique in that industrial engineers are encouraged to present practical solutions to problems that are encountered during development and implementation of antennas and antenna systems.

Antenna Research Review
On December 1, 2005 CASCA held a research review in which research currently being performed at UMass and AFRL was presented to industry members. The review featured talks by faculty members at UMass and researchers at AFRL and poster presentations by the students and postdoctoral fellows associated with the UMass Antennas and Propagation Laboratory. PDF files of slides from the talks and the posters presented can be seen below:

Presentations
Microstrip Antenna Designs for Sensor and Communication Applications, Dave Pozar, UMass
Digital Beamforming System Study, David Choi, AFRL
Wide Bandwidth Antennas and Arrays, Dan Schaubert, UMass
Computer Modeling of Modern Antenna Arrays, Marinos Vouvakis, UMass
Active Antennas for Electronically Scanned Arrays, Bob Jackson, UMass
Communication Antennas and Radiowave Propagation, Ramakrishna Janaswamy, UMass
Experimental Certification of Snell's Law Behavior for Negative Index Media, Everett Crisman, AFRL
Micromachined Coaxial Transmission Lines for Integrated Millimeterwave Communication Antennas, James "Rob" Reid, AFRL

Posters
A KA Band Switch-LNA MMIC for Radiometry Applications, Miguel A. Alvarado and Robert W. Jackson
Electromagnetic Scattering by Mixed Conductor-Dielectric Objects of Arbitrary Shape, Justin Creticos and Daniel H. Schaubert
Design of Wide Bandwidth Microstrip Patch Antennas, Guillaume Derron, Daniel H. Schaubert and Juan R. Mosig
Reduced-Height, Wide Bandwidth Single Polarized Array of Doubly-Mirrored Balanced Antipodal Vivaldi Antennas (SP-DmBAVA), Wajih Elsallal and Daniel H. Schaubert
Reduced-Height, Wide Bandwidth Dual Polarized Array of Doubly-Mirrored Balanced Antipodal Vivaldi Antennas (DP-DmBAVA), Wajih Elsallal and Daniel H. Schaubert
Compact MIMO Systems, Beza Negash Getu and Ramakrishna Janaswamy
Wideband and Widescan Arrays of Vivaldi Antennas, Sreenivas Kasturi and Daniel H. Schaubert
Finite Array Studies on Vivaldi Antennas, Sreenivas Kasturi, Anatoliy Boryssenko and Daniel H. Schaubert
An X-band Active Antenna System-in-Package Module, Nidhi Khandelwal and Robert W. Jackson
Equivalent Admittance of Rough Surfaces at Low Grazing Angles (Path Loss Prediction using the Equivalent Admittance), Zhiguo Lai and Ramakrishna Janaswamy
Transient Scattering Response of Wideband Antennas, Yihao Lu and Ramakrishna Janaswamy
Parameter Study of Ultra Wideband Loop Antenna, Eric Marklein and Daniel H. Schaubert
Propagation in Tunnels using the Parabolic Equation, Richard Martelly and Ramakrishna Janaswamy
Row Column Steering of an X Band Phased Array, Mauricio Sanchez-Barbetty and Robert W. Jackson
Electromagnetic Spatial Degrees of Freedom in 2-D Random Scattering Environments, Jie Xu and Ramakrishna Janaswamy
Wideband Active Integrated Antenna for RFID Tag Applications, Christopher Yafrate and Daniel H. Schaubert


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