Once upon a time, there were radio and optical astronomers, each group with its own way of detecting and thinking about radiation. In spite of the shock treatment administered by Hanbury-Brown and Twiss more than thirty five years ago, this dichotomy persists to a surprising extent even today. As new techniques emerge, we clearly need to do better. Coherent and incoherent detection, heterodyning and interferometry are all situations where a full analysis involves quantum behaviour of the radiation. Thi. informal review coven the general approach needed and goes over some points of principle which arise.
CITATION STYLE
Nityananda, R. (1994). Comparing Optical and Radio - Quantum Issues. In Very High Angular Resolution Imaging (pp. 11–18). Springer Netherlands. https://doi.org/10.1007/978-94-011-0880-5_2
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