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19 September 2014 Ultra-fast high-resolution hybrid and monolithic CMOS imagers in multi-frame radiography
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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.
© (2014) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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