Ultra-fast high-resolution hybrid and monolithic CMOS imagers in multi-frame radiography

Kris Kwiatkowski; Vincent Douence; Yibin Bai; Paul Nedrow; Fesseha Mariam; Frank Merrill; Christopher L. Morris; Andy Saunders

doi:10.1117/12.2063941

19 September 2014 Ultra-fast high-resolution hybrid and monolithic CMOS imagers in multi-frame radiography

Kris Kwiatkowski, Vincent Douence, Yibin Bai, Paul Nedrow, Fesseha Mariam, Frank Merrill, Christopher L. Morris, Andy Saunders

Author Affiliations +

Proceedings Volume 9215, Radiation Detectors: Systems and Applications XV; 921506 (2014) https://doi.org/10.1117/12.2063941
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

A new burst-mode, 10-frame, hybrid Si-sensor/CMOS-ROIC FPA chip has been recently fabricated at Teledyne Imaging Sensors. The intended primary use of the sensor is in the multi-frame 800 MeV proton radiography at LANL. The basic part of the hybrid is a large (48×49 mm²) stitched CMOS chip of 1100×1100 pixel count, with a minimum shutter speed of 50 ns. The performance parameters of this chip are compared to the first generation 3-frame 0.5-Mpixel custom hybrid imager. The 3-frame cameras have been in continuous use for many years, in a variety of static and dynamic experiments at LANSCE. The cameras can operate with a per-frame adjustable integration time of ~ 120ns-to- 1s, and inter-frame time of 250ns to 2s. Given the 80 ms total readout time, the original and the new imagers can be externally synchronized to 0.1-to-5 Hz, 50-ns wide proton beam pulses, and record up to ~1000-frame radiographic movies typ. of 3-to-30 minute duration. The performance of the global electronic shutter is discussed and compared to that of a high-resolution commercial front-illuminated monolithic CMOS imager.

Citation Download Citation

Kris Kwiatkowski, Vincent Douence, Yibin Bai, Paul Nedrow, Fesseha Mariam, Frank Merrill, Christopher L. Morris, and Andy Saunders "Ultra-fast high-resolution hybrid and monolithic CMOS imagers in multi-frame radiography", Proc. SPIE 9215, Radiation Detectors: Systems and Applications XV, 921506 (19 September 2014); https://doi.org/10.1117/12.2063941

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