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HyperFine Brillouin Spectrometer

LightMachinery Inc.Request Info
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HyperFine Brillouin SpectrometerThe great challenge with Brillouin spectroscopy is that the scattered signal from the un-shifted wavelength of the laser can overwhelm the small Brillouin shifted return signal. LightMachinery has combined its leading-edge HyperFine spectrometer with a very narrow band tunable filter to suppress the bright un-shifted laser frequency. The tunable filter is easily adjusted to suppress the main laser peak and exposure gating is used to drastically increase the full dynamic range of the instrument. This combination achieves a dynamic ratio of 65dB with the standard CMOS camera and is designated — the Green Killer. The tunable filter is comprised of a double passed air spaced etalon. The etalon tuning and alignment are both computer controlled.


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