نتایج جستجو برای: spad number
تعداد نتایج: 1169452 فیلتر نتایج به سال:
Single Photon Avalanche Diode (SPAD) arrays are widely used in many scientific applications for Time Correlated Single Photon Counting (TCSPC) thanks to the high timing resolution and single photon precision [1,2]. However, at high photon rates, such systems suffer from photon pile-up effect [3]. In our recent work [4], we have demonstrated a high throughput (14 Gsamples/s) Time-to-Digital Conv...
Although maize (Zea mays L.) routinely experiences both intraand interspecific competition for limited resources, most plant-plant interaction studies have principally focused on maize-weed interactions. Thus very few investigations have considered the impacts of plant crowding and nitrogen (N) availability on maize intra-specific competition. The primary objective of this two-year field study ...
introduction: production and growth of plants in many parts of the world due to degradation and water scarcity have been limited and particularly, in recent decades, agriculture is faced with stress. in the most parts of iran, especially in the khorasan razavi province, drought is a fact and water is very important. due to melon cultivation in this province, and the conditions of quality and qu...
A shared well 4x4 SPAD array test structure with 3m pitch is realized in a 130nm CMOS image sensor technology. The SPADs have 150Hz median DCR at room temperature at 1V excess bias, 15% peak PDP and 176ps FWHM timing jitter both at 3V excess bias.
A shared well 4x4 SPAD array test structure with 3m pitch is realized in a 130nm CMOS image sensor technology. The SPADs have 150Hz median DCR at room temperature at 1V excess bias, 15% peak PDP and 176ps FWHM timing jitter both at 3V excess bias.
InP-based single photon avalanche diodes (SPADs) have proven to be the most practical solution currently available for many applications requiring high-performance photon counting at near-infrared wavelengths between 1.0 and 1.6 μm. We describe recent progress in the design, characterization, and modeling of InP-based SPADs, particularly with respect to the dark count rate vs. photon detection ...
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A SPAD-based line sensor fabricated in 130 nm CMOS technology capable of acquiring time-resolved fluorescence spectra (TRFS) in 8.3 milliseconds is presented. To the best of our knowledge, this is the fastest time correlated single photon counting (TCSPC) TRFS acquisition reported to date. The line sensor is an upgrade to our prior work and incorporates: i) parallelized interface from sensor to...
To extract the sensitive bands for estimating the winter wheat growth status and yields, field experiments were conducted. The crop variables including aboveground biomass (AGB), soil and plant analyzer development (SPAD) value, yield, and canopy spectra were determined. Statistical methods of correlation analysis, partial least squares (PLS), and stepwise multiple linear regression (SMLR) were...
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