6 November 2001 Three wave vectors immersed in the hypersonic sea
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Proceedings Volume 4514, Acousto-Optics and Applications IV; (2001) https://doi.org/10.1117/12.447597
Event: Acousto-Optics and Applications IV, 2001, Gdansk-Jurata, Poland
Brillouin scattering experiment has been carried out in the oxide crystal materials. A new wide-band component in the Brillouin spectrum has been observed in the SLAO sample. This completes typical the Brillouin spectrum in a solid state, where Rayleigh lines, stokes and anti-stokes optical signals are usually observed. This newly discovered spectral component is distributed uniformly in frequency, independent of the light power incident on a crystal and dependent on the light wavelength applied, what suggests absorption origin the phenomenon. The absorption-like channel in a scattering process should be interpreted as the sea of frequencies from where some specific values of Brillouin frequencies are seen.
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Tomasz Blachowicz, Tomasz Blachowicz, "Three wave vectors immersed in the hypersonic sea", Proc. SPIE 4514, Acousto-Optics and Applications IV, (6 November 2001); doi: 10.1117/12.447597; https://doi.org/10.1117/12.447597

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