Dr. Paul R. Granfors Profile

Dr. Paul R. Granfors

Principal Engineer at GE Healthcare

SPIE Involvement:

Author

Proceedings Article | 20 April 2005 Paper

Performance tests on a-Si TFT arrays for flat panel digital x-ray detectors

A. Couture, D. Albagli, G. Possin, H. Hudspeth, P. Janiszewski, M. Zoeller, P. Granfors

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.595559

KEYWORDS: Field effect transistors, Diodes, Capacitance, Amorphous silicon, Capacitors, Sensors, X-ray detectors, X-rays, Control systems, Light sources

Read Abstract +

Proceedings Article | 20 April 2005 Paper

Performance of optimized amorphous silicon, cesium-iodide based large field-of-view detector for mammography

D. Albagli, Sung Han, Aaron Couture, H. Hudspeth, Chris Collazo, P. Granfors

Proceedings Volume 5745, (2005) https://doi.org/10.1117/12.597082

KEYWORDS: Sensors, Capacitors, X-rays, Modulation transfer functions, Capacitance, Mammography, Field effect transistors, Amorphous silicon, Photodiodes, X-ray imaging

Read Abstract +

Proceedings Article | 6 May 2004 Paper

Enhanced a-Si/CsI-based flat-panel x-ray detector for mammography

Jeffrey Shaw, Douglas Albagli, Ching-Yeu Wei, Paul Granfors

Proceedings Volume 5368, (2004) https://doi.org/10.1117/12.539141

KEYWORDS: X-rays, Sensors, Scintillators, Amorphous silicon, Spatial frequencies, X-ray detectors, Modulation transfer functions, Image quality, Signal to noise ratio, Spatial resolution

Read Abstract +

Proceedings Article | 5 June 2003 Paper

Performance of advanced a-Si/CsI-based flat-panel x-ray detectors for mammography

Douglas Albagli, Heather Hudspeth, George Possin, Ji Ung Lee, Paul Granfors, Brian Giambattista

Proceedings Volume 5030, (2003) https://doi.org/10.1117/12.480010

KEYWORDS: Sensors, X-rays, X-ray detectors, Scintillators, Modulation transfer functions, Amorphous silicon, Photodiodes, Digital mammography, Absorption, Quantum efficiency

Read Abstract +

Proceedings Article | 28 June 2001 Paper

Performance of a flat-panel cardiac detector

Paul Granfors, Douglas Albagli, J. Eric Tkaczyk, Richard Aufrichtig, Harrie Netel, Gerhard Brunst, John Boudry, Dershan Luo

Proceedings Volume 4320, (2001) https://doi.org/10.1117/12.430887

KEYWORDS: Sensors, Modulation transfer functions, Imaging systems, X-rays, X-ray detectors, X-ray imaging, Cardiovascular magnetic resonance imaging, Cardiovascular system, Fluoroscopy, Lead

Read Abstract +

Proceedings Article | 28 June 2001 Paper

Measurement of the noise power spectrum in digital x-ray detectors

Richard Aufrichtig, Yu Su, Yu Cheng, Paul Granfors

Proceedings Volume 4320, (2001) https://doi.org/10.1117/12.430934

KEYWORDS: Sensors, Fourier transforms, Spatial frequencies, X-ray detectors, X-rays, X-ray imaging, Imaging systems, Interference (communication), Signal to noise ratio, Quantum efficiency

Read Abstract +

Proceedings Article | 28 June 2001 Paper

Modeling the x-ray energy characteristics of DQE for full-field digital mammography

J. Eric Tkaczyk, James LeBlanc, Robert Nevin, Gregory Kautz, Douglas Albagli, John Sandrik, Paul Granfors

Proceedings Volume 4320, (2001) https://doi.org/10.1117/12.430883

KEYWORDS: Sensors, Modulation transfer functions, X-rays, Scintillators, Spatial frequencies, X-ray detectors, Optical transfer functions, Data modeling, Quantum efficiency, Aluminum

Read Abstract +

Proceedings Article | 25 April 2000 Paper

DQE(f) of an amorphous-silicon flat-panel x-ray detector: detector parameter influences and measurement methodology

Paul Granfors, Richard Aufrichtig

Proceedings Volume 3977, (2000) https://doi.org/10.1117/12.384481

KEYWORDS: Sensors, X-rays, Modulation transfer functions, X-ray detectors, X-ray imaging, Photons, Signal detection, Absorption, Spatial frequencies, Interference (communication)

Read Abstract +

Proceedings Article | 28 May 1999 Paper

Performance characteristics of an amorphous silicon flat-panel x-ray imaging detector

Paul Granfors

Proceedings Volume 3659, (1999) https://doi.org/10.1117/12.349525

KEYWORDS: Sensors, X-rays, Image intensifiers, Image sensors, Signal detection, Sensor performance, X-ray imaging, Imaging systems, Prototyping, X-ray detectors

Read Abstract +

Proceedings Article | 28 May 1999 Paper

Compensation for image retention in an amorphous silicon detector

Sussan Pourjavid, Paul Granfors

Proceedings Volume 3659, (1999) https://doi.org/10.1117/12.349528

KEYWORDS: Sensors, Diodes, X-rays, Data modeling, Systems modeling, Performance modeling, Amorphous silicon, X-ray imaging, Photodiodes, Medical imaging

Read Abstract +

Showing 5 of 10 publications

Conference Committee Involvement (2)

Physics of Medical Imaging

15 February 2004 | San Diego, California, United States

Physics of Medical Imaging

16 February 2003 | San Diego, California, United States

Keywords/Phrases

Search In:

Publication Years