High-resolution Brillouin gain spectroscopy in fused silica

High-resolution Brillouin gain spectroscopy in fused silica

We report what is to our knowledge the first high-resolution Brillouin gain spectrum in a solid. Resonances corresponding to longitudinal (compressional) and transverse (shear) acoustic waves in fused silica are observed with good resolution and a high signal-to-noise ratio. Absolute gain coefficien...

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Veröffentlicht in:Optics letters 1990-06, Vol.15 (12), p.703-705
Hauptverfasser: Faris, G W, Jusinski, L E, Dyer, M J, Bischel, W K, Hickman, A P
Format: Artikel
Sprache:eng
Schlagworte:
AMPLIFICATION
BRILLOUIN EFFECT
CHALCOGENIDES
COHERENT SCATTERING
GAIN
MINERALS
NONLINEAR OPTICS
OPTICS
OTHER INSTRUMENTATION
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
RESOLUTION
RESONANCE
SCATTERING
SILICA
SILICON COMPOUNDS
SILICON OXIDES 440600 > Optical Instrumentation-- (1990-)
SOUND WAVES
SPECTROSCOPY
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Beschreibung
Zusammenfassung:We report what is to our knowledge the first high-resolution Brillouin gain spectrum in a solid. Resonances corresponding to longitudinal (compressional) and transverse (shear) acoustic waves in fused silica are observed with good resolution and a high signal-to-noise ratio. Absolute gain coefficients, linewidths, and Brillouin frequency shifts are measured. The agreement with previously measured values is good.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.15.000703