His scientific interests lie mostly in Optics, Optoelectronics, Antenna, Electrical impedance and Microelectromechanical systems. His Optics study combines topics in areas such as Optical Carrier transmission rates, Modulation and Transverse plane. In his study, Electronic circuit, CMOS and Dielectric is inextricably linked to Layer, which falls within the broad field of Optoelectronics.
In general Antenna study, his work on Dielectric antennas often relates to the realm of Element, thereby connecting several areas of interest. His Electrical impedance research includes elements of Beam, Beam steering, Reconfigurable antenna, Resonator and Ground plane. His studies in Microelectromechanical systems integrate themes in fields like Bimorph, Electrical engineering, Insertion loss and Voltage.
The scientist’s investigation covers issues in Optics, Optoelectronics, Antenna, Electronic engineering and Electrical engineering. His studies deal with areas such as Electrical impedance, Dipole antenna and Ground plane as well as Optics. His Electrical impedance study integrates concerns from other disciplines, such as Wavelength and Phase.
His Optoelectronics research incorporates themes from Layer, Substrate, Radio frequency and Antenna array. The Antenna study combines topics in areas such as Acoustics and Electrical conductor. The study incorporates disciplines such as Directional antenna, Smart antenna, Phase-shift keying, Communication channel and 3G MIMO in addition to Electronic engineering.
Optics, Antenna, Ground plane, Lidar and Substrate are his primary areas of study. He has included themes like Transmission and Signal, Local oscillator in his Optics study. The various areas that he examines in his Antenna study include Windshield, Electrical conductor, MIMO and Wideband.
His Ground plane research includes themes of Acoustics, Planar antennas, Radiation pattern and Phase tuning. His Substrate research is multidisciplinary, incorporating elements of Optoelectronics, Radio frequency and Printed circuit board. His research in Optoelectronics intersects with topics in Electromagnetic radiation, Capacitive sensing and Coplanar waveguide.
James H. Schaffner spends much of his time researching Optics, Lidar, Antenna, Substrate and Beam. James H. Schaffner performs integrative Optics and Throughput research in his work. His Lidar research focuses on Local oscillator and how it relates to Wavelength, Continuous wave and Ranging.
His work deals with themes such as Windshield, Optoelectronics and Near and far field, which intersect with Antenna. The various areas that James H. Schaffner examines in his Substrate study include Resist, Electronic engineering, Satellite radio and Subtractive color. His work deals with themes such as Chip, Reflection and Laser, which intersect with Beam.
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Two-dimensional beam steering using an electrically tunable impedance surface
D.F. Sievenpiper;J.H. Schaffner;H.J. Song;R.Y. Loo.
IEEE Transactions on Antennas and Propagation (2003)
Integrated ultra wideband element card for array antennas
James H. Schaffner;William B. Bridges.
Antenna system having high impedance surface
Daniel F Sievenpiper;Hui-Pin Hsu;James H Shaffner;Gregory L Tangonan.
Low cost millimeter wave imager
Jonathan James Lynch;James H. Schaffner;Daniel Frederic Sievenpiper;Debabani Choudhury.
Microwave receiver front-end assembly and array
Daniel Yap;James H. Schaffner;Daniel F. Sievenpiper;Kevin Geary.
Distortion in linearized electrooptic modulators
W.B. Bridges;J.H. Schaffner.
IEEE Transactions on Microwave Theory and Techniques (1995)
Leaky coaxial cable with high radiation efficiency
Tsung-Yuan Hsu;James H Schaffner.
Antenna array and method of manufacture thereof
Daniel Sievenpiper;Adele E Schmitz;James H Schaffner;Gregory L Tangonan.
Mems switches and methods of making same
James H. Schaffner;Gregory L. Tangonan;Robert N. Schwartz;Ming Wu.
A tunable impedance surface performing as a reconfigurable beam steering reflector
D. Sievenpiper;J. Schaffner;R. Loo;G. Tangonan.
IEEE Transactions on Antennas and Propagation (2002)
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