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

DOI:
10.3791/55527-v

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07:55 min

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September 22, 2017

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, ,
1Biomedical Engineering Department,Ben-Gurion University of the Negev, 2Ilse Katz Institute for Nanoscale Science and Technology,Ben-Gurion University of the Negev

Chapters

  • 00:05Title
  • 00:40Continuous-wave Stimulated Brillouin Scattering (CW-SBS) Spectrometer Setup
  • 04:32Stimulated Brillouin Gain (SBG) Spectrum Acquisition and Analysis
  • 06:25Results: SBG Spectra of Distilled Water and Lipid Emulsion Tissue Phantom Samples
  • 07:26Conclusion

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.

Tags

Continuous-wave Stimulated Brillouin ScatteringCW-SBS SpectrometerBrillouin SpectroscopyHigh-speedHigh-resolutionTurbid And Non-turbid SamplesBiomaterialsPump LaserProbe LaserLock-in AmplifierThree-axis Motorized Translation StageRubidium Vapor Cell

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