Dr. Henry Chen Profile

Dr. Henry Chen

at Henry Chen Consulting LLC.

SPIE Involvement:

Conference Program Committee | Author

Publications (18)

Proceedings Article | 6 June 2023 Presentation + Paper

Picosecond (Cd,Mg)Te detectors for both optical and x-ray photons

J. Cheng, I. Komissarov, D. Chakraborty, S. Kutcher, J. Wen, H. Chen, S. Trivedi, Roman Sobolewski

Proceedings Volume 12570, 125700C (2023) https://doi.org/10.1117/12.2670238

KEYWORDS: Crystals, Magnesium, X-ray optics, Picosecond phenomena, X-rays, Cadmium, X-ray detectors, Electrodes, Tellurium, Photodetectors

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Proceedings Article | 4 October 2022 Presentation + Paper

Scintillation mechanisms in inorganic scintillators: an excitonic and alkali halides focused review

Henry Chen

Proceedings Volume 12241, 1224103 (2022) https://doi.org/10.1117/12.2634309

KEYWORDS: Excitons, Luminescence, Scintillators, Scintillation, Crystals, Color centers

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Proceedings Article | 4 October 2022 Presentation + Paper

Activator-doped Hg2Br2 as next generation high performance scintillator for high energy physics research and other scientific and imaging applications

Henry Chen, Joo-Soo Kim, Priyanthi Amarasinghe, Siva Swaminathan, Julie Wen, S. Kutcher, Sudhir Trivedi

Proceedings Volume 12241, 1224102 (2022) https://doi.org/10.1117/12.2634437

KEYWORDS: Scintillators, Crystals, Sensors, Mercury, Scintillation, Doping, Particle accelerators, Particles, Chlorine, Bromine

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Proceedings Article | 13 September 2018 Presentation + Paper

Development of large-volume high-performance monolithic CZT radiation detector

Henry Chen, Handong Li, Michael Reed, Arun Sundaram, John Eger, James Hugg, Shiva Abbaszadeh, Mohan Li, Guillaume Montemont, Loick Verger, Yuefeng Zhu, Zhong He

Proceedings Volume 10762, 107620N (2018) https://doi.org/10.1117/12.2321244

KEYWORDS: Sensors, Crystals, Cameras, Single photon emission computed tomography, Imaging spectroscopy, Spectroscopy, Image resolution, Spectroscopes, Positron emission tomography, Monte Carlo methods

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Proceedings Article | 9 September 2016 Presentation + Paper

A comparative study via Monte Carlo simulation of new inorganic scintillator Cs2HfCl6 for applications in nuclear medicine, security and defense, and astrophysics

Henry Chen, Paul Raby

Proceedings Volume 9968, 99680Y (2016) https://doi.org/10.1117/12.2237102

KEYWORDS: Monte Carlo methods, Scintillators, Sensors, Nuclear medicine, Spatial resolution, Crystals, Scintillation, Imaging systems, Crystallography, Laser range finders

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Proceedings Article | 26 August 2015 Paper

Novel semiconductor radiation detector based on mercurous halides

Henry Chen, Joo-Soo Kim, Proyanthi Amarasinghe, Withold Palosz, Feng Jin, Sudhir Trivedi, Arnold Burger, Jarrod Marsh, Marc Litz, Priyalal Wiejewarnasuriya, Neelam Gupta, Janet Jensen, James Jensen

Proceedings Volume 9593, 95930G (2015) https://doi.org/10.1117/12.2188448

KEYWORDS: Sensors, Crystals, Commercial off the shelf technology, Sensor performance, Electrodes, Bromine, Electrons, Semiconductors, Chlorine, Homeland security

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Proceedings Article | 3 September 2010 Paper

Dual-illumination NIR system for wafer level defect inspection

Yana Williams, Kevin Harding, Gil Abramovich, Christopher Nafis, Eric Tkaczyk, Kristian Andreini, Henry Chen, Glenn Bindley

Proceedings Volume 7793, 77930I (2010) https://doi.org/10.1117/12.861038

KEYWORDS: Semiconducting wafers, Imaging systems, Light sources and illumination, Tellurium, Cameras, Inspection, Manufacturing, Near infrared, Sensors, Light scattering

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Proceedings Article | 2 September 2010 Paper

Performance of CdZnTe pixellated radiation detectors assembled by a new attachment method

Pinghe Lu, Henry Chen, Salah Awadalla, Kris Iniewski, Glenn Bindley

Proceedings Volume 7805, 78051T (2010) https://doi.org/10.1117/12.860999

KEYWORDS: Sensors, Coating, Polymers, Gold, Epoxies, Sensor performance, Reliability, Photomasks, Resistance, Metals

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Proceedings Article | 17 September 2009 Paper

CZT device with improved sensitivity for medical imaging and homeland security applications

H. Chen, S. Awadalla, P. Marthandam, K. Iniewski, P. Lu, G. Bindley

Proceedings Volume 7449, 744902 (2009) https://doi.org/10.1117/12.828514

KEYWORDS: Sensors, Electrons, Electrodes, Metals, Resistance, Semiconductors, Gold, Homeland security, Image resolution, Medical imaging

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Proceedings Article | 12 September 2009 Paper

Uniformity of charge collection efficiency in Frisch collar spectrometer with THM grown CdZnTe crystals

Alireza Kargar, Adam Brooks, Mark Harrison, Henry Chen, Salah Awadalla, Glenn Bindley, Bob Redden, Douglas McGregor

Proceedings Volume 7449, 744908 (2009) https://doi.org/10.1117/12.826422

KEYWORDS: Gamma radiation, Sensors, Dielectrics, Electrodes, Collimation, Electrons, Spectroscopes, Crystals, Spectroscopy, Electric field sensors

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Proceedings Article | 10 September 2008 Paper

Reliability of pixellated CZT detector modules used for medical imaging and homeland security

H. Chen, S. Awadalla, F. Harris, P. Lu, G. Bindley, H. Lenos, B. Cardoso

Proceedings Volume 7079, 707905 (2008) https://doi.org/10.1117/12.795252

KEYWORDS: Sensors, Reliability, Accelerated life testing, Epoxies, Medical imaging, Homeland security, Image resolution, Sensor performance, Crystals, Beryllium

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Proceedings Article | 4 September 2008 Paper

Characterization of detector grade CdZnTe material from Redlen Technologies

Martine Duff, Arnold Burger, Michael Groza, Vladimir Buliga, John Bradley, Zurong Dai, Nick Teslich, Salah Awadalla, Jason Mackenzie, Henry Chen

Proceedings Volume 7079, 70790T (2008) https://doi.org/10.1117/12.798921

KEYWORDS: Crystals, Surface plasmons, Sensors, Annealing, Infrared imaging, Surface finishing, Etching, Scanning electron microscopy, Spectroscopy, X-rays

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Proceedings Article | 4 September 2008 Paper

Final surface treatment effect on performance of CdZnTe Frisch collar gamma-ray detectors

Alireza Kargar, Adam Brooks, Kyle Kohman, Rans Lowell, Roger Keyes, Henry Chen, Salah Awadalla, Glenn Bindley, Douglas McGregor

Proceedings Volume 7079, 70790B (2008) https://doi.org/10.1117/12.795366

KEYWORDS: Sensors, Surface finishing, Ions, Sensor performance, Polishing, Resistance, Gamma radiation, Spectroscopes, Gold, Amplifiers

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Proceedings Article | 21 September 2007 Paper

Large-volume high-resolution cadmium zinc telluride radiation detectors: recent developments

H. Chen, S. Awadalla, K. Iniewski, P. Lu, F. Harris, J. Mackenzie, T. Hasanen, W. Chen, R. Redden, G. Bindley, Irfan Kuvvetli, Carl Budtz-Jørgensen, P. Luke, M. Amman, J. Lee, A. Bolotnikov, G. Camarda, Y. Cui, A. Hossain, R. James

Proceedings Volume 6706, 670602 (2007) https://doi.org/10.1117/12.738793

KEYWORDS: Sensors, Crystals, Zinc, Semiconducting wafers, Cadmium, Homeland security, Image resolution, Medical imaging, X-rays, Spatial resolution

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Proceedings Article | 19 October 1999 Paper

Au/CdZnTe/CdS m-i-n detectors fabricated by sputtering technique

Stephen Egarievwe, Henry Chen, Kaushik Chattopadhyay, Jean-Olivier Ndap, Oludurotimi Adetunji, T. McMillan, Oghaghare Okobiah, Arnold Burger, Ralph James

Proceedings Volume 3768, (1999) https://doi.org/10.1117/12.366629

KEYWORDS: Sensors, Cadmium sulfide, Fabrication, Sputter deposition, X-ray detectors, Gamma radiation, Electrons, Sensor performance, Gold, Physics

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Proceedings Article | 1 July 1998 Paper

Physical properties and evaluation of spectrometer-grade CdSe single crystals

Henry Chen, M. Hayes, X. Ma, Ying-Fang Chen, Stephen Egarievwe, Jean-Olivier Ndap, Kaushik Chattopadhyay, Arnold Burger, Jon Leist

Proceedings Volume 3446, (1998) https://doi.org/10.1117/12.312895

KEYWORDS: Crystals, Sensors, Spectroscopy, Scanning electron microscopy, Etching, Surface finishing, Wet etching, Photonic crystals, Temperature metrology, Luminescence

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Proceedings Article | 1 July 1998 Paper

Cadmium zinc telluride high-resolution detector technology

Arnold Burger, Henry Chen, Kaushik Chattopadhyay, Jean-Olivier Ndap, Stephen Egarievwe, Ralph James

Proceedings Volume 3446, (1998) https://doi.org/10.1117/12.312886

KEYWORDS: Sensors, Zinc, Semiconducting wafers, Sensor performance, Gold, Cadmium, Oxygen, Oxides, Electrodes, Oxidation

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Proceedings Article | 19 July 1996 Paper

Study of gamma-ray detector performance of Cd1-xZnxTe crystal treated by different etchants

Henry Chen, Stephen Egarievwe, Z. Hu, J. Tong, Detang Shi, G. Wu, Kuo-Tong Chen, M. George, W. Collins, Arnold Burger, Ralph James, Carl Stahle, Lyle Bartlett

Proceedings Volume 2859, (1996) https://doi.org/10.1117/12.245128

KEYWORDS: Sensors, Sensor performance, Bromine, Crystals, Gamma radiation, Surface roughness, Crystallography, Etching, Polishing, Zinc

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Showing 5 of 18 publications

Conference Committee Involvement (21)

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXVI

19 August 2024 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXV

21 August 2023 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIV

22 August 2022 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIII

1 August 2021 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII

25 August 2020 | Online Only, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXI

12 August 2019 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XX

20 August 2018 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIX

7 August 2017 | San Diego, California, United States

Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVIII

11 April 2017 | Anaheim, CA, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVIII

29 August 2016 | San Diego, California, United States

Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVII

19 April 2016 | Baltimore, MD, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVII

10 August 2015 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVI

18 August 2014 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XV

26 August 2013 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIV

13 August 2012 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XIII

22 August 2011 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XII

2 August 2010 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XI

3 August 2009 | San Diego, California, United States

Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X

11 August 2008 | San Diego, California, United States

Hard X-Ray and Gamma-Ray Detector Physics VI

2 August 2004 | Denver, Colorado, United States

Hard X-Ray and Gamma-Ray Detector Physics V

4 August 2003 | San Diego, California, United States

Showing 5 of 21 Conference Committees

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