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physics.optics2022★ 7 cited
Properties of optical ducts, their chromatism and its effects on astronomical refraction
Luc Dettwiller
The fundamental quadrature governing light rays in a spherically symmetrical medium is first recalled. A rigorous discussion of some qualitative properties of its solutions follows…
physics.optics2022★ 5 cited
Short review on the refractive index of air as a function of temperature, pressure, humidity and ionization
Luc Dettwiller
The empirical law of Gladstone-Dale is insufficient for high-precision studies using the refractivity of a gas: this is not exactly proportional to its density, and the gas may not…