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Aqueye and Iqueye, Very-High-Time-Resolution Photon-Counting Photometers

Published online by Cambridge University Press:  20 April 2012

Cesare Barbieri ,
Giampiero Naletto ,
Luca Zampieri ,
Enrico Verroi ,
Serena Gradari ,
Susan Collins  and
Andy Shearer
Cesare Barbieri
Affiliation:
University of Padova, Italy email: [email protected]
Giampiero Naletto
Affiliation:
University of Padova, Italy email: [email protected]
Luca Zampieri
Affiliation:
INAF Astronomical Observatory of Padova, Italy
Enrico Verroi
Affiliation:
University of Padova, Italy email: [email protected]
Serena Gradari
Affiliation:
University of Padova, Italy email: [email protected]
Susan Collins
Affiliation:
NUI Galway, Ireland
Andy Shearer
Affiliation:
NUI Galway, Ireland
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Abstract

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We describe very high-time-resolution photometers capable of tagging the arrival time of each photon with a resolution and accuracy of few hundred picoseconds, for hours of continuous acquisition, and with a dynamic range of more than 6 orders of magnitude. The final goal is the conceptual definition of a “quantum” photometer for the E-ELT, capable of detecting and measuring second-order correlation effects in photon streams from celestial sources. Two prototype units have been built and operated, one for the Asiago 1.8-m telescope (AquEYE) and one for the 3.5-m NTT (IquEYE).Here we will present results obtained by IquEYE on the Crab Nebula pulsar in simultaneous radio observations with Jodrell Bank in December 2009.

Keywords

instrumentation: photometers pulsars: individual (Crab)
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 7 , Symposium S285: New Horizons in Time-Domain Astronomy , September 2011 , pp. 280 - 282
Copyright
Copyright © International Astronomical Union 2012

References

Dravins, D., et al. , 2005, QuantEYE. Quantum Optics Instrumentation for Astronomy, ESO document: OWL-CSR-ESO-00000-0162Google Scholar
Naletto, G., et al. , 2009, A&A, 508, 531–539Google Scholar