نتایج جستجو برای: geiger
تعداد نتایج: 1201 فیلتر نتایج به سال:
A phenomenological approach to the ontology of will could be rendered along three positions: Firstly, willing I is completely immanent in its experience, such that one can only will, and know wills, by reflecting on actual experience willing. Secondly, hold while being analyzable as a conscious phenomenon, itself real psychic force driving one’s motivations actions without necessarily aware it....
There is a need for semiconductor-based ultraviolet photodetectors to support avalanche gain in order to realize better performance andmore effective compete with existing technologies. Wide bandgap III-Nitride semiconductors are the promising material system for the development of avalanche photodiodes (APDs) that could be a viable alternative to current bulky UV detectors such as photomultipl...
Acknowledgements Firstly and most importantly I would like to thank Professor Stephen Brewster for guiding me through this dissertation, for all the advice, phones and resources he lent me and for giving me the opportunity to work on a project that nobody else has really done before. I would very much like to thank Andrew Crossan for regularly diagnosing and fixing my slightly fickle and temper...
It is well known that avalanche photodiodes operated in the Geiger mode above the breakdown voltage offer a virtually infinite gain and time accuracy in the picosecond range that can be used for single photon detection. However, their performance in particle detection still remains unexplored. In this contribution, we are going to expose different steps that we have taken in order to prove the ...
We review the current status of developments in multipixel Geiger-mode avalanche photodiodes (also referred to as SiPMs, SSPMs, MRS APDs, AMPDs, MPPCs) and discuss their advantages and limitations for high-energy physics applications. & 2008 Elsevier B.V. All rights reserved.
Sonification is the use of sound and speech to represent information. There are many sonification examples in the literature from simple realizations such as a Geiger counter to representations of complex geological features. The data that is being represented can be either spatial or non-spatial. Specifically, spatial data contains positional information; the position either refers to an exact...
This paper reports a micromachined Geiger counter with integrated permanent magnets that enhance the RF transmission from the discharges initiated by incident beta particles. With the intent of wireless sensing within the ultra wideband (UWB) spectrum, the transmission in the 2.0-2.8 GHz frequency range is investigated. The device consists of a 1x2 cm micromachined glass/Si cavity sandwiched be...
A 32 by 32 array of packaged 100 μm Geiger-mode avalanche photodiodes were tested and characterized. A breakdown voltage of 32 V was measured; at or just above this voltage is where the device should be biased in order to operate in Geiger-mode. The ideal region of the forward biased IV curve resulted in an ideality factor of 1.0 and no recombination/generation region. In addition, IDL code was...
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