We report distributed measurement of backward Rayleigh-Brillouin scattering spectra in a 2.3-km SF6-flowing antiresonant hollow-core fiber using BOTDR method. The gas species and pressure are clearly ...

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Some people love receiving over-the-top gifts, like a cashmere potholder or diamond-encrusted anything. But then there are the giftees who only crave what they can actually use. They’d willingly forgo ...