Prof. Vasundara V. Varadan
Distinguished Professor & Billingsley Chair at Univ of Arkansas
SPIE Involvement:
Fellow status | Conference Program Committee | Symposium Chair | Conference Chair | Author | Instructor
Publications (135)

PROCEEDINGS ARTICLE | April 3, 2015
Proc. SPIE. 9434, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2015
KEYWORDS: Fabrication, Metamaterials, Optical lithography, Resonators, Reflection, Ceramics, Dielectrics, Free space, Photoresist materials, Antennas

PROCEEDINGS ARTICLE | April 3, 2015
Proc. SPIE. 9434, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2015
KEYWORDS: Plasmonics, Solar energy, Optical spheres, Metals, Solar cells, Photons, Light scattering, Thin film solar cells, Antennas, Absorption

PROCEEDINGS ARTICLE | October 11, 2012
Proc. SPIE. 8482, Photonic Innovations and Solutions for Complex Environments and Systems (PISCES)
KEYWORDS: Plasmonics, Diffraction, Eye, Scattering, Electrodes, Solar cells, Silver, Control systems, Photonics, Computer architecture

PROCEEDINGS ARTICLE | August 1, 2003
Proc. SPIE. 5049, Smart Structures and Materials 2003: Modeling, Signal Processing, and Control
KEYWORDS: Actuators, Sensors, Electrodes, Finite element methods, Aluminum, Antennas, Smart structures, Electromagnetism, Conformal antenna, Motion controllers

PROCEEDINGS ARTICLE | July 11, 2002
Proc. SPIE. 4695, Smart Structures and Materials 2002: Electroactive Polymer Actuators and Devices (EAPAD)
KEYWORDS: Actuators, Signal attenuation, Electrodes, Polymers, Silicon, Scanning probe lithography, Wave propagation, Aluminum, Acoustics, Electroactive polymers

PROCEEDINGS ARTICLE | July 10, 2002
Proc. SPIE. 4693, Smart Structures and Materials 2002: Modeling, Signal Processing, and Control
KEYWORDS: Foam, Signal attenuation, Matrices, Interfaces, Aluminum, Bismuth, Chemical elements, Acoustics, Control systems design, Systems modeling

Showing 5 of 135 publications
Conference Committee Involvement (21)
Device and Process Technologies for Microelectronics, MEMS, Photonics, and Nanotechnology IV
5 December 2007 | Canberra, ACT, Australia
Modeling, Signal Processing, and Control
27 February 2006 | San Diego, California, United States
Modeling, Signal Processing, and Control
7 March 2005 | San Diego, California, United States
SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring
7 March 2005 | San Diego, United States
Micro- and Nanotechnology: Materials, Processes, Packaging, and Systems II
13 December 2004 | Sydney, Australia
Showing 5 of 21 published special sections
Course Instructor
SC204: Microwave NDE Techniques
Vector network analyzers and improved signal processing techniques make accurate measurements on various materials a function of frequency and temperature. Microwave nondestructive inspection of surface and subsurface characteristics of non-metallic objects is done by using focused antennas and near field scanning techniques. This short course begins with the fundamentals of microwave interaction with materials and systems, and an overview of current microwave measurement systems and inspection and characterization methods. The advantages of this technique over conventional techniques are discussed.
SC243: RF MEMS and Reconfigurable Antennas for Wireless Communications
This course introduces the fundamentals of reconfigurable antennas and associated smart electronics including RF MEMS based switches, capacitors and filters. A newly developed Penn State fractal antenna architecture suitable for miniaturization of the system is discussed. Topics covered include: smart skin conformal antenna, electronically steerable antenna, multiband and wide band fractal antenna. This is followed by a critical survey of the currently available MEMS processing technologies related to antenna and RF circuits. Finally, the integration of the sensors, MEMS, and smart electronics into antenna architecture to conceive reconfigurable antenna for wireless communications is discussed.
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