Open AccessEmission and absorption in the infra-red spectrum of mercury
Author(s) -
Raymond C. Dearle
Publication year - 1916
Publication title -
proceedings of the royal society of london. series a, containing papers of a mathematical and physical character
Language(s) - English
Resource type - Journals
eISSN - 2053-9150
pISSN - 0950-1207
DOI - 10.1098/rspa.1916.0045
Subject(s) - mercury (programming language) , absorption spectroscopy , white light , emission spectrum , optics , physics , atomic physics , materials science , spectral line , astronomy , computer science , programming language
In a previous paper by McLennan and Dearle, it was pointed out that hands had been found in the absorption spectrum of non-luminous mercury vapour at λ = 1849 Å. U., λ = 2536·72 Å.U., and λ = 2338 Å.U., but that nothing had been done up to the present in the way of investigating the infra-red region of this spectrum for characteristic absorption hands. In the same paper an account was given of some measurements made on the infra-red emission spectrum of the mercury are for the purpose of establishing the wave-length and intensities of the lines in that region. The Present paper deals first with some additional work on the relative intensities of these lines, and, secondly, with the absorption hands produced by passing white light through non-luminous mercury vapour.