Aqueye+: a new ultrafast single photon counter for optical high time resolution astrophysics

@inproceedings{Zampieri2015AqueyeAN,
  title={Aqueye+: a new ultrafast single photon counter for optical high time resolution astrophysics},
  author={Luca Zampieri and Giampiero Naletto and Cesare Barbieri and Enrico Verroi and Mauro Barbieri and G. Ceribella and Marco D’Alessandro and Giancarlo Farisato and Andrea di Paola and Paolo Zoccarato},
  booktitle={Europe Optics + Optoelectronics},
  year={2015}
}
Aqueye+ is a new ultrafast optical single photon counter, based on single photon avalanche photodiodes (SPAD) and a 4- fold split-pupil concept. It is a completely revisited version of its predecessor, Aqueye, successfully mounted at the 182 cm Copernicus telescope in Asiago. Here we will present the new technological features implemented on Aqueye+, namely a state of the art timing system, a dedicated and optimized optical train, a high sensitivity and high frame rate field camera and remote… 
A 3.9 km baseline intensity interferometry photon counting experiment
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(Very) Fast astronomical photometry for meter-class telescopes
TLDR
Two instruments were built to perform photon counting with sub-nanosecond temporal accuracy, Aqueye+ and Iqueye, used to perform coordinated high time resolution optical observations and, for the first time ever, experiments of optical intensity interferometry on a baseline of a few kilometers.
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We report the first detection of an optical millisecond pulsar with the fast photon counter Aqueye+ in Asiago. This is an independent confirmation of the detection of millisecond pulsations from PSR
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We present a timing analysis of the transitional millisecond pulsar PSR J1023+0038 using observations taken between January 2018 and January 2020 with the high time resolution photon counter Aqueye+
Lunar Occultations with Aqueye+ and Iqueye
We report the first-time use of the Aqueye+ and Iqueye instruments to record lunar occultation events. High-time resolution recordings in different filters have been acquired for several occultations
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Recent astronomical discoveries of temporally varying objects can be attributed to advances in detection systems for High Time Resolution Astrophysics (HTRA). We present our lab results including the
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