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Étienne-Louis Malus (/ ˈ ɛ t. i. ɛ n ˈ l uː. i m ə ˈ l uː s /; French: [e.tjɛn.lwi ma.lys]; 23 July 1775 – 23 February 1812) was a French officer, engineer, physicist, and mathematician. Malus was born in Paris, France. He participated in Napoleon's expedition into Egypt (1798 to 1801) and was a member of the mathematics section of ...
Étienne-Louis Malus (born June 23, 1775, Paris—died Feb. 23, 1812, Paris) was a French physicist who discovered that light, when reflected, becomes partially plane polarized; i.e., its rays vibrate in the same plane. His observation led to a better understanding of the propagation of light.
- The Editors of Encyclopaedia Britannica
May 21, 2018 · MALUS, ÉTIENNE LOUIS (b. Paris, France, 23 July 1775; d. Paris, 24 February 1812) optics. The son of Anne-Louis Malus du Mitry and Louise-Charlotte Desboves, Malus was privately educated, mainly in Greek, Latin, and mathematics. He revealed his mathematical skill in 1793 at the entrance examination to the military school in Mézières.
Étienne Louis Malus was a French mathematician who was almost entirely concerned with the study of light.
May 20, 2024 · Quick Reference. (1775–1812) French military engineer and physicist. Malus, who was born in Paris, attended the military school in Mezières (1793) and the newly established Ecole Polytechnique (1794–96) where he received his basic scientific education.
Etienne Louis Malus. 1775-1812. French physicist who spent his brief career as an engineer in the French Army. While investigating the phenomenon of double refraction, the splitting of a light beam into two by certain crystals, he discovered that a beam with similar characteristics to each refracted beam is produced by reflection of sunlight ...
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It is now two hundred years since Étienne-Louis Malus, a French mathematician, discovered the polarization of light by reflection. Malus’s discovery was made using a birefringent mineral. Birefringence occurs when light of different polarizations travel at different speeds through a material.
