1972
DOI: 10.1103/physrevb.6.1314
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Resonant Brillouin Scattering in GaAs

Abstract: E), in excellent agreement with the experimental value (0. 11 eV).In conclusion, it seems to us that the present computations of e~(E) agree with the experimental data above the absorption edge much better than computations based on Kane's model for what concerns the most relevant feature of the resonant structure, i. e. , the energy position of the peak with respect to the shoulder. Indeed, taking into account the approximations inherent to the use of Eqs. (4) and (5), as well as the fact that no phonon proce… Show more

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Cited by 49 publications
(2 citation statements)
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“…Piezo-transmission experiments under externally launched acoustic waves have been also reported for GaAs with similar results and limitations [13,14]. Finally, resonant Brillouin scattering has been demonstrated as a powerful method to study acoustooptical coupling near exciton resonances [15,16]. It has the additional advantage that thermally activated internal strains are involved and usually complex stress apparatus can be fully avoided.…”
mentioning
confidence: 62%
“…Piezo-transmission experiments under externally launched acoustic waves have been also reported for GaAs with similar results and limitations [13,14]. Finally, resonant Brillouin scattering has been demonstrated as a powerful method to study acoustooptical coupling near exciton resonances [15,16]. It has the additional advantage that thermally activated internal strains are involved and usually complex stress apparatus can be fully avoided.…”
mentioning
confidence: 62%
“…The light beam having the width D is directed to the sound wave front under the angle O which is equal to the Bragg angle O at the central frequencyf0. The light absorption in crystal is defmed by light attenuation index L• The angular spectrum of diffracted field Ed can be found using as the product of interacted fields angular spectrums -the lights one EL and the sound's one E. So Ed=AELE, (2) where A -the index which contains the constants and phase members which don't put some adds to the intensity.…”
Section: Bragg Diffraction Efficiency Calculaion Near Tile Semiconducmentioning
confidence: 99%