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High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis
JoVE Journal
Engineering
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JoVE Journal Engineering
High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

High-speed Continuous-wave Stimulated Brillouin Scattering Spectrometer for Material Analysis

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07:55 min

September 22, 2017

DOI:

07:55 min
September 22, 2017

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Summary

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We describe the construction of a rapid continuous-wave-stimulated-Brillouin-scattering (CW-SBS) spectrometer. The spectrometer employs single-frequency diode-lasers and an atomic vapor notch-filter to acquire transmission spectra of turbid/non-turbid samples with high spectral-resolution at speeds up to 100-fold faster than those of existing CW-SBS spectrometers. This improvement enables high-speed Brillouin material analysis.

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