Stokes and anti‐stokes scattering of light by low‐frequency polaritons in LiIO 3 | Zendy

Kulevsky L. A. | Zendy; Polivanov YU. N. | Zendy; Poluektov S. N. | Zendy

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Stokes and anti‐stokes scattering of light by low‐frequency polaritons in LiIO 3

Author(s) -

Kulevsky L. A.,

Polivanov YU. N.,

Poluektov S. N.

Publication year - 1976

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250050307

Subject(s) - polariton , raman scattering , dielectric , optics , raman spectroscopy , laser , transverse plane , attenuation , materials science , physics , atomic physics , optoelectronics , structural engineering , engineering

Results are presented on near‐forward Raman scattering from low‐frequency polaritons in LiIO 3 obtained by the photographic method using an iodine filter for attenuation of the laser light before it enters a spectrograph. Our experiment shows that the value of dielectric transition strength of the 238 cm −1 phonon mode measured by Otaguro et al. must be corrected. The clamped dielectric constant (ϵ z = 5.9) was determined from polariton measurements at frequencies below the lowest transverse mode. This value is compared with those published elsewhere.

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