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Definitions for raman effect
ra·man ef·fect

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Wiktionary

  1. Raman effectnoun

    the inelastic scattering of photons with subsequent change in frequency and phase; employed in Raman spectroscopy

  2. Etymology: From Chandrasekhara Venkata Raman Indian physicist

Wikipedia

  1. Raman effect

    Raman scattering or the Raman effect () is the inelastic scattering of photons by matter, meaning that there is both an exchange of energy and a change in the light's direction. Typically this effect involves vibrational energy being gained by a molecule as incident photons from a visible laser are shifted to lower energy. This is called normal Stokes Raman scattering. The effect is exploited by chemists and physicists to gain information about materials for a variety of purposes by performing various forms of Raman spectroscopy. Many other variants of Raman spectroscopy allow rotational energy to be examined (if gas samples are used) and electronic energy levels may be examined if an X-ray source is used in addition to other possibilities. More complex techniques involving pulsed lasers, multiple laser beams and so on are known. Light has a certain probability of being scattered by a material. When photons are scattered, most of them are elastically scattered (Rayleigh scattering), such that the scattered photons have the same energy (frequency, wavelength and color) as the incident photons but different direction. Rayleigh scattering usually has an intensity in the range 0.1% to 0.01% relative to that of a radiation source. An even smaller fraction of the scattered photons (approximately 1 in 1 million) can be scattered inelastically, with the scattered photons having an energy different (usually lower) from those of the incident photons—these are Raman scattered photons. Because of conservation of energy, the material either gains or loses energy in the process. 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. The effect had been predicted theoretically by Adolf Smekal in 1923.

Wikidata

  1. Raman Effect

    Raman Effect is a 2008 short film directed by Hareesh Narayan & Krishna Sekar, the movie is about a Documentary team investigating Past Life of an engineering student called Raman & reveals his true identity to the world.

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Numerology

  1. Chaldean Numerology

    The numerical value of raman effect in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of raman effect in Pythagorean Numerology is: 2


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"raman effect." Definitions.net. STANDS4 LLC, 2024. Web. 29 Apr. 2024. <https://www.definitions.net/definition/raman+effect>.

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