Broadband Mid-IR Spectroscopy with Near-IR Grating Spectrometers
conference on lasers and electro optics(2021)
Abstract
We demonstrate fast, mid-infrared (3.2-4.3 µm) spectroscopy with high resolution (1.5 cm
−1
) based on nonlinear interferometry with undetected photons using a commercial, Si-CCD based grating spectrometer.
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Key words
nonlinear interferometry,photons,broadband mid-IR spectroscopy,near-IR grating spectrometers,Si-CCD based grating spectrometer,wavelength 3.2 mum to 4.3 mum,Si
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