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

Article DOI: 10.3791/55527-v • 07:55 min • September 22nd, 2017
September 22nd, 2017 •
1, 1, 1,2
1Biomedical Engineering Department, Ben-Gurion University of the Negev, 2Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev

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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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Continuous-wave Stimulated Brillouin Scattering Spectrometer Material Analysis Transmission Spectra Spectro Resolution Speed Brillouin Spectroscopy Biomaterials Cells Tissue Rapid Acquisition Turbid Matter Non-turbid Matter CW-SBS Spectrometer Optical Board Data Acquisition Software Microwave Frequency Counter Lock-in Amplifier Pump Laser Controller Function Generator Sample Chamber Glass Cover Slips Polytetrafluoroethylene Tape Chamber Holder Motorized Translation Stage Probe Lens Pump Lens Current Knob Tapered Amplifier Pump Laser Controller
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