Brillouin spectra of CaF2 microcrystals using a stable 3‐pass Fabry‐Perot interferometer

Autor:	E. Brody, C. Roychoudhuri, M. Hercher
Rok vydání:	1973
Předmět:	Materials science Physics and Astronomy (miscellaneous) business.industry Phonon Scattering Physics::Optics Grain size Brillouin zone Interferometry Optics Brillouin scattering Condensed Matter::Superconductivity business Beam (structure) Fabry–Pérot interferometer
Zdroj:	Applied Physics Letters. 23:543-545
ISSN:	1077-3118 0003-6951
DOI:	10.1063/1.1654742
Popis:	The elastic properties of single‐crystal grains in polycrystalline material can be studied through Brillouin scattering using a laser probe beam. The Brillouin spectra of hot‐pressed CaF2 (Irtran‐3), having a typical grain size of 150 μm, is presented. We have observed scattering from both longitudinal and transverse phonons, despite the presence of a large elastically scattered signal, using a stable 3‐pass Fabry‐Perot interferometer having a contrast of 106.
Databáze:	OpenAIRE
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