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Sir C.V. Raman with the quartz spectrograph used to measure the wavelengths of the scattered light that became known as the Raman Effect. Courtesy the Indian Association for the Cultivation of Science.
Aug 9, 2024 · Raman effect, change in the wavelength of light that occurs when a light beam is deflected by molecules. The phenomenon is named for Indian physicist Sir Chandrasekhara Venkata Raman, who first published observations of the effect in 1928. Learn more about the Raman effect in this article.
- The Editors of Encyclopaedia Britannica
The Raman effect is named after Indian scientist C. V. Raman, who discovered it in 1928 with assistance from his student K. S. Krishnan. Raman was awarded the 1930 Nobel Prize in Physics for his discovery of Raman scattering.
In 1928, Grigory Landsberg and Leonid Mandelstam at the Moscow State University independently discovered the Raman effect. They published their findings in July issue of Naturwissenschaften , [ 149 ] and presented their findings at the Sixth Congress of the Russian Association of Physicists held at Saratov between 5 and 16 August. [ 150 ]
In 1928 the Indian physicist C. V. Raman (1888-1970) discovered the effect named after him virtually simultaneously with the Russian physicists G. S. Landsberg (1890-1957) and L. I. Mandelstam (1879-1944).
- Rajinder Singh
- 2002
Sep 17, 2024 · C.V. Raman discovered the Raman effect, which occurs when light that shines through a material is scattered and its wavelength changes from that of the original incident light because of its interactions with the molecules in the material.
The Raman effect was named after one of its discoverers, the Indian scientist C. V. Raman, who observed the effect in organic liquids in 1928 together with K. S. Krishnan, and independently by Grigory Landsberg and Leonid Mandelstam in inorganic crystals. [1]
