Brillouin-Light-Scattering Spectroscopy

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No translational invariance in z direction Only k|| = k sin(θ) conserved Maximum wavevector: k < 2.10 5 cm-1 (Backscattering geometry: Δk = 2 k||) Wavevector-resolved BLS Benjamin Jungfleisch SFB/TR49 Student Seminar 20th to 21th of July 2010
Wavevector-resolved BLS Wavevector selection by rotating the sample C. Sandweg et al, Rev. Sci. Instrum. 81, 073902 (2010) Benjamin Jungfleisch SFB/TR49 Student Seminar 20th to 21th of July 2010
Page 1 and 2: Brillouin-Light-Scattering Spectros
Page 3 and 4: Spin waves Benjamin Jungfleisch SFB
Page 5 and 6: q|| ⋅ d H 0 Spin waves Distincti
Page 7 and 8: Raman-Scattering • Optical phonon
Page 9 and 10: Fabry-Pérot interferometer (FPI) T
Page 11 and 12: The free spectral range (FSR) is gi
Page 13 and 14: Operation of the TFPI Possibility t
Page 15 and 16: λ Frequency Analysis BLS setup Act
Page 17 and 18: 1) Time resolution H. Schultheiss e
Page 19 and 20: Time-resolved BLS Study the decay o
Page 21 and 22: Phase-resolved BLS Inelastically sc
Page 23: Applications: Wavevector-resolved B

Brillouin-Light-Scattering Spectroscopy

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