Stimulated Raman scattering of laser from periodically spaced nanoparticles
- Department of Physics, Samrat Ashok Technological Institute, Vidisha, Madhya Pradesh 464001 (India)
A periodic lattice of nanoparticles supports an electrostatic mode of space charge oscillations with frequency lying in a narrow band and varying periodically around {omega}{sub pe}/{radical}(3) with the wave number, where {omega}{sub pe} is the plasma frequency of electrons inside a nanoparticle. A laser impinged on such a lattice undergoes stimulated Raman scattering producing backward sideband electromagnetic radiation. The growth rate is maximum around the pump frequency {omega}{sub 0}=0.75{omega}{sub pe}, and then decreases gradually.
- OSTI ID:
- 21282119
- Journal Information:
- Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 9 Vol. 16; ISSN PHPAEN; ISSN 1070-664X
- Country of Publication:
- United States
- Language:
- English
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