Jean Cabannes

Born| (1885-08-12)12 August 1885

Marseille, France

Died| 31 October 1959(1959-10-31) (aged 74)

Saint-Cyr-sur-Mer, France

Alma mater| École Normale Supérieure
Aix-Marseille University
Awards| Prix Félix-Robin
Prix des Trois Physiciens
Scientific career
Institutions| University of Montpellier
University of Paris
Doctoral advisor| Charles Fabry
Doctoral students| Jean Dufay

Jean Cabannes (fr; 12 August 1885 – 31 October 1959) was a French physicist specialising in optics.[1]

## Contents

* 1 Education and career
* 2 Honors and awards
* 3 Personal life
* 4 References

## Education and career

Cabannes studied at the Lycée de Nice and entered the École Normale Supérieure in 1906. From 1910 to 1914, Cabannes worked in the laboratory of Charles Fabry at Aix-Marseille University on the topic launched by Lord Rayleigh at the end of the 19th century of how gas molecules diffused light. In 1914, he showed that pure gases could scatter light. This was published in Comptes Rendus in 1915. His career was then interrupted for five years by World War I.

In 1919, Cabannes returned to Fabry's laboratory to complete his thesis, after which he moved to University of Montpellier,[2] and later on to University of Paris. In 1925 he and Jean Dufay calculated the height of the ozone layer. Cabannes along with Pierre Daure and Yves Rocard were among the scientists who, in 1928, discovered that gases diffusing monochromatic light could also change their wavelength (the Cabannes-Daure effect).[3][4][5][6]

This was identified independently by C. V. Raman and K. S. Krishnan in liquids, and by G. S. Landsberg and L. I. Mandelstam in crystals. Cabannes was among the candidates for the Nobel Prize in Physics of 1929 (proposed by Charles Fabry), which was awarded to de Broglie and the 1930 prize went to C. V. Raman.[7]

## Honors and awards

In 1949, he was elected a member of l'Académie des Sciences. In 1924, he received the Prix Félix-Robin and in 1951 the first ever awarded Prix des Trois Physiciens from the Fondation de France.

Cabannes was the President of the Société astronomique de France (SAF) (French astronomical society), from 1951 to 1953.[8]

The lunar crater Cabannes was named after him.

## Personal life

He was married to a daughter of Eugène Fabry (1856–1944), brother of Charles Fabry, and was the father of four children, among whom was the mathematician Henri Cabannes.

## References

1. ↑ Dufay, J. (1960). "Jean Cabannes". L'Astronomie 74: 281. Bibcode: 1960LAstr..74..281D. https://adsabs.harvard.edu/full/1960LAstr..74..281D. Retrieved 2022-12-08.
2. ↑ "Jean CABANNES - Academie des sciences et lettres de Montpellier". https://www.ac-sciences-lettres-montpellier.fr/academie/membres/biographie/23_CABANNES-Jean.
3. ↑ Cabannes, Jean (1929) (in EN). La diffusion moléculaire de la lumière / Jean Cabannes; avec la collaboration de M. Yves Rocard. https://gallica.bnf.fr/ark:/12148/bpt6k3375224w.
4. ↑ Gross, E.; Vuks, M. (1935). "Quasi-Crystalline Structure of Liquids and the Raman Effect" (in en). Nature 135 (3403): 100–101. doi:10.1038/135100b0. ISSN 0028-0836. Bibcode: 1935Natur.135..100G. https://www.nature.com/articles/135100b0.
5. ↑ Cabannes, J. (1929). "Degradation of light frequencies by molecular scattering" (in en). Transactions of the Faraday Society 25: 800. doi:10.1039/tf9292500800. ISSN 0014-7672. http://xlink.rsc.org/?DOI=tf9292500800.
6. ↑ Simic-Glavaski, B.; Jackson, D.A.; Powles, J.G. (1971). "The Cabannes-Daure effect in liquids" (in en). Physics Letters A 34 (5): 255–256. doi:10.1016/0375-9601(71)90857-7. Bibcode: 1971PhLA...34..255S. https://linkinghub.elsevier.com/retrieve/pii/0375960171908577.
7. ↑ Long, D. A. (1988). "Early history of the Raman effect" (in en). International Reviews in Physical Chemistry 7 (4): 317–349. doi:10.1080/01442358809353216. ISSN 0144-235X. Bibcode: 1988IRPC....7..317L. http://www.tandfonline.com/doi/abs/10.1080/01442358809353216.
8. ↑ List of presidents of the Société astronomique de France

* J. Cabannes, Comptes Rendus, vol. 160, pp. 62–63 (1915).

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