Advanced Radio Frequency Timing AppaRATus (ARARAT) Technique and Applications
Ani Aprahamian, Amur Margaryan, Vanik Kakoyan, Simon Zhamkochyan,, Sergey Abrahamyan, Hayk Elbakyan, Samvel Mayilyan, Arpine Piloyan, Henrik, Vardanyan, Hamlet Zohrabyan, Lekdar Gevorgian, Robert Ayvazyan, Artashes, Papyan, Garnik Ayvazyan, Arsen Ghalumyan, Narek Margaryan

TL;DR
This paper introduces the ARARAT technique, a high-precision RF timing device based on a helical deflector and microchannel plates, enabling ~10 ps resolution for applications in quantum optics, microscopy, and medical imaging.
Contribution
The paper presents a novel RF timing apparatus with nanosecond pulses and 10 ps resolution, suitable for diverse scientific and medical applications.
Findings
Achieved ~10 ps timing resolution with RFPMT.
Demonstrated device stability of ~0.5 ps FWHM.
Outlined multiple potential applications in imaging and quantum measurements.
Abstract
The development of the advanced Radio Frequency Timer of electrons is described. It is based on a helical deflector, which performs circular or elliptical sweeps of keV electrons, by means of 500 MHz radio frequency field. By converting a time distribution of incident electrons to a hit position distribution on a circle or ellipse, this device achieves extremely precise timing. Streak Cameras, based on similar principles, routinely operate in the ps and sub-ps time domain, but have substantial slow readout system. Here, we report a device, where the position sensor, consisting of microchannel plates and a delay-line anode, produces ~ns duration pulses which can be processed by using regular fast electronics. A photon sensor based on this technique, the Radio Frequency Photo-Multiplier Tube (RFPMT), has demonstrated a timing resolution of ~10 ps and a time stability of ~0.5 ps, FWHM.…
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Taxonomy
TopicsPhotocathodes and Microchannel Plates · Electron and X-Ray Spectroscopy Techniques · Advanced Electron Microscopy Techniques and Applications
