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Mismatch reduction for dark current suppression
2010 IEEE Sensors, 2010In this paper we present a dark current suppression technique for low-light image sensor arrays fabricated in a standard CMOS process. It has been shown that reducing the reverse bias of a p-n junction minimizes the thermally generated dark current and increases the signal to noise ratio.
David Sander, Pamela Abshire
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Beam-current-induced Dark Current in Plumbicons
1972Publisher Summary This chapter discusses beam-current-induced dark current in Plumbicons. The Plumbicon is a television pick-up tube with a lead oxide photoconductive sensor. Its high sensitivity, linear transfer characteristic, low lag, and good resolution have made it the preferred tube for broadcast color television.
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Dark current transport in the FLASH linac
2007 IEEE Particle Accelerator Conference (PAC), 2007The free electron laser facility FLASH at DESY Hamburg operates a low-emittance photoinjector and several acceleration modules with superconducting cavities to produce a high quality electron beam of up to 700 MeV. Since few months, the accelerator is routinely operated with its design RF pulse length of 800 mus instead of the prior length of 70-200 ...
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Dark current analysis of InSb photodiodes
Infrared Physics, 1984Abstract We report on low dark current InSb photodiodes with mesa structures in which bulk g-r plus shunt resistance are the dominant current mechanisms up to approx. 700 mV reverse bias. Tunneling current dominates for large reverse bias, and bulk diffusion current dominates for forward bias > 15 mV.
F.K. Hopkins, J.T. Boyd
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Dark current in high-gradient accelerator
IEEE Transactions on Electrical Insulation, 1989A report is presented on the first measurements from a program to study high-gradient linear e/sup +//e/sup -/ accelerators, as part of a research and development program on linear colliders. The experimental setup is a realistic S-band, traveling-wave, disk-loaded warm accelerating structure, fed by long RF pulses.
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Fractal Density Currents as Dark Matter
We propose that dark matter, inferred from galactic rotation curves and gravitational lensing (27% of cosmic mass), arises from fractal space-time density currents rather than undetected particles. Simulations on a HPC cluster (12 TFLOPS) model currents (1011 J/m3, 105 m/s) mimicking gravitational effects (1012 kg equivalent), aligning with LIGO ...openaire +1 more source
Testing the nature of dark compact objects: a status report
Living Reviews in Relativity, 2019Vitor Cardoso, Paolo Pani
exaly