Cutting the cord: toward wireless optical intensity interferometry

Author(s):  
Elliott P. Horch
Author(s):  
V A Acciari ◽  
M I Bernardos ◽  
E Colombo ◽  
J L Contreras ◽  
J Cortina ◽  
...  

Abstract Imaging Atmospheric Cherenkov Telescopes (IACTs) currently in operation feature large mirrors and order of 1 ns time response to signals of a few photo-electrons produced by optical photons. This means that they are ideally suited for optical interferometry observations. Thanks to their sensitivity to visible wavelengths and long baselines optical intensity interferometry with IACTs allows reaching angular resolutions of tens to microarcsec. We have installed a simple optical setup on top of the cameras of the two 17 m diameter MAGIC IACTs and observed coherent fluctuations in the photon intensity measured at the two telescopes for three different stars. The sensitivity is roughly 10 times better than that achieved in the 1970’s with the Narrabri interferometer.


2012 ◽  
Vol 8 (S293) ◽  
pp. 420-422
Author(s):  
P. K. Tan ◽  
C. M. Chia ◽  
W. D. Han ◽  
A. H. Chan ◽  
C. Kurtsiefer

AbstractSince the discovery of the first exoplanet in 1989, though over 850 candidates have been verified (Schneider 2012), few are similar to our Earth in terms of mass and size. Hence here we would like to propose the revival and improvement of optical intensity interferometry to achieve sub-milliarcsecond resolution, which promises also to be less sensitive to weather conditions, light pollution and optomechanical alignments, yet only requiring baselines <100m.


Author(s):  
Elliott P. Horch ◽  
Samuel A. Weiss ◽  
Justin D. Rupert ◽  
Ryan LaRue ◽  
Angelo Gulinatti ◽  
...  

2013 ◽  
Vol 43 ◽  
pp. 331-347 ◽  
Author(s):  
Dainis Dravins ◽  
Stephan LeBohec ◽  
Hannes Jensen ◽  
Paul D. Nuñez

2015 ◽  
Vol 580 ◽  
pp. A99 ◽  
Author(s):  
Dainis Dravins ◽  
Tiphaine Lagadec ◽  
Paul D. Nuñez

2021 ◽  
Vol 424 ◽  
pp. 168346
Author(s):  
Jordan Cotler ◽  
Frank Wilczek ◽  
Victoria Borish

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