Dr. James H. Schaffner Profile

Dr. James H. Schaffner

Senior Research Scientist at HRL Labs LLC

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Author

Publications (10)

Proceedings Article | 9 June 2014 Paper

Graphene based active and passive component development on transparent substrates

James Schaffner, Kyung-ah Son, Hyok Song, Jeong Moon, Andrey Kiselev, Hwa-Chang Seo, Baohua Yang, Danny Wong

Proceedings Volume 9083, 90830I (2014) https://doi.org/10.1117/12.2053391

KEYWORDS: Antennas, Graphene, Glasses, Resistance, Field effect transistors, Oxides, Radio frequency circuits, Resistors, Capacitors, Silver

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Proceedings Article | 18 April 2008 Paper

A wideband radiometer module for an unamplified direct detection scalable W-band imaging array

James Schaffner, Jonathan Lynch, Keith Guinn, Joel Schulman, Harris Moyer, Ross Bowen, Marcel Musni

Proceedings Volume 6948, 694807 (2008) https://doi.org/10.1117/12.776893

KEYWORDS: Diodes, Waveguides, Radiometry, Sensors, Quartz, Video, Imaging arrays, Antennas, Extremely high frequency, Electromagnetic simulation

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Proceedings Article | 1 May 2007 Paper

Unamplified direct detection W-band imaging array

J. Schulman, J. Lynch, H. Moyer, J. Schaffner, R. Bowen, Y. Royter, M. Sokolich, R. Rajavel

Proceedings Volume 6548, 65480F (2007) https://doi.org/10.1117/12.723308

KEYWORDS: Diodes, Sensors, Capacitance, Semiconducting wafers, Imaging arrays, Resistance, Detector arrays, Electron beam lithography, Cameras, Wafer-level optics

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Proceedings Article | 5 May 2006 Paper

Unamplified direct detection sensor for passive millimeter wave imaging

Jonathan Lynch, Harris Moyer, Joel Schulman, Phillip Lawyer, Ross Bowen, James Schaffner, Debabani Choudhury, Jim Foschaar, David Chow

Proceedings Volume 6211, 62110I (2006) https://doi.org/10.1117/12.667045

KEYWORDS: Sensors, Waveguides, Diodes, Antennas, Radiometry, Quartz, Passive millimeter wave imaging, Resistance, Extremely high frequency, Receivers

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Proceedings Article | 30 June 1995 Paper

Optoelectronic selector switch for rf/microwave passive fiber optic networks

Robert Loo, James Schaffner, Gregory Tangonan, V. Jones

Proceedings Volume 2481, (1995) https://doi.org/10.1117/12.212698

KEYWORDS: Switches, Sensors, Optoelectronics, Modulation, Receivers, Microwave radiation, Detector arrays, Fiber optic networks, Satellites, Fermium

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Proceedings Article | 10 June 1994 Paper

Broadband microwave fiber optic links with linearized integrated-optic modulators

James Schaffner, William Bridges

Proceedings Volume 2155, (1994) https://doi.org/10.1117/12.177403

KEYWORDS: Modulators, Microwave radiation, Fiber optics, Integrated optics, Analog electronics, Distortion, Computer simulations

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SPIE Journal Paper | 1 January 1994

Broadband microwave fiber optic link with a compact transmitter

James Schaffner, Robert Hayes, Robert Joyce, Jack Lewis, Joseph Pikulski, Huan-Wun Yen, Caroline Gee

OE, Vol. 33, Issue 01, (January 1994) https://doi.org/10.1117/12.10.1117/12.151998

KEYWORDS: Modulators, Microwave radiation, Transmitters, Fiber optics, Signal attenuation, Interference (communication), Modulation, Optical amplifiers, Sensors, Optical isolators

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Proceedings Article | 2 December 1992 Paper

Space harmonic analysis of integrated optic modulators with periodic electrodes

James Schaffner

Proceedings Volume 1703, (1992) https://doi.org/10.1117/12.138391

KEYWORDS: Modulators, Electrodes, Phase shifts, Integrated optics, Waveguides, Phase velocity, Extremely high frequency, Modulation, Phase modulation, Phase shift keying

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Proceedings Article | 1 February 1991 Paper

Velocity-matched electro-optic modulator

William Bridges, Finbar Sheehy, James Schaffner

Proceedings Volume 1371, (1991) https://doi.org/10.1117/12.24884

KEYWORDS: Modulators, Antennas, Modulation, Phase shift keying, Microwave radiation, Electrodes, Waveguides, Dielectrics, Fiber optics, Refractive index

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Proceedings Article | 1 June 1990 Paper

Analysis of a millimeter-wave integrated electro-optic modulator with a periodic electrode

James Schaffner

Proceedings Volume 1217, (1990) https://doi.org/10.1117/12.18149

KEYWORDS: Modulators, Electrodes, Phased array optics, Waveguides, Extremely high frequency, Integrated optics, Phase shifts, Modulation, Electrooptic modulators, Interferometers

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Showing 5 of 10 publications

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