Dr. George Zentai
Retired at
SPIE Involvement:
Fellow status | Senior status | Conference Program Committee | Author
Area of Expertise:
Digital x-ray imaging , Photoconductors , Amorphous semiconductors
Websites:
Profile Summary

George Zentai joined Varian Medical Systems’ Ginzton Research Center (Mountain View, California) in 1998. He is a Senior Scientist and has been working as R&D Program Manager of Direct x-ray Sensor Development Projects. His team developed x-ray imagers both for medical and security applications, which went into production at Varian.
He gave many conference presentations; some of them invited ones, wrote several publications, and have many patents in the x-ray imaging field. He has also been involved in the development of low noise readout electronics, ASICs for flat panel digital imagers and special electronic testing methods. He has many years experience in photoconductor based imagers.
He has a Masters Degree in Electronics and a Ph.D. in Amorphous Semiconductors.
Previously he was Manager of Flat Panel X-ray Sensor Development at OIS (Optical Imaging Systems) and a visiting scientist at Argonne National Laboratory.
He is member of SPIE, senior member of IEEE and member of organizing and technical committees and co-chair of SPIE and IEEE conferences.
Publications (25)

Proceedings Article | 23 March 2015
Proc. SPIE. 9438, Health Monitoring of Structural and Biological Systems 2015
KEYWORDS: Amorphous silicon, X-ray computed tomography, Imaging systems, Metals, X-rays, Nondestructive evaluation, Radiotherapy, X band, X-ray imaging, Prototyping

Proceedings Article | 19 March 2014
Proc. SPIE. 9033, Medical Imaging 2014: Physics of Medical Imaging
KEYWORDS: Fiber optics, Imaging systems, Sensors, Crystals, X-rays, Copper, Scintillators, Modulation transfer functions, X-ray imaging, Fiber optics tests

Proceedings Article | 19 March 2014
Proc. SPIE. 9033, Medical Imaging 2014: Physics of Medical Imaging
KEYWORDS: Breast, X-ray computed tomography, Imaging systems, Sensors, Tungsten, Image resolution, 3D metrology, Modulation transfer functions, Spatial resolution, 3D image processing

Proceedings Article | 9 March 2014
Proc. SPIE. 9064, Health Monitoring of Structural and Biological Systems 2014
KEYWORDS: Fiber optics, Imaging systems, Sensors, Photons, X-rays, Copper, Scintillators, Modulation transfer functions, X-ray imaging, Absorption

Proceedings Article | 1 April 2011
Proc. SPIE. 7984, Health Monitoring of Structural and Biological Systems 2011
KEYWORDS: Optical filters, X-rays, Copper, Iodine, Image filtering, Aluminum, X-ray imaging, Cerium, Europium, Absorption

Proceedings Article | 19 March 2010
Proc. SPIE. 7622, Medical Imaging 2010: Physics of Medical Imaging
KEYWORDS: Breast, Imaging systems, X-rays, Image resolution, Mammography, Aluminum, Modulation transfer functions, X-ray imaging, Molybdenum, Temperature metrology

Showing 5 of 25 publications
Conference Committee Involvement (18)
Health Monitoring of Structural and Biological Systems X
21 March 2016 | Las Vegas, Nevada, United States
Health Monitoring of Structural and Biological Systems IX
9 March 2015 | San Diego, California, United States
Health Monitoring of Structural and Biological Systems VIII
10 March 2014 | San Diego, California, United States
Health Monitoring of Structural and Biological Systems VII
11 March 2013 | San Diego, California, United States
Health Monitoring of Structural and Biological Systems VI
12 March 2012 | San Diego, California, United States
Showing 5 of 18 published special sections
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