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Ultra-sensitive mid-infrared emission spectrometer with sub-ns temporal resolution.

MPS-Authors
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Chen,  L.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

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Schwarzer,  D.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

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Lau,  J.A.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

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Wodtke,  A. M.
Department of Dynamics at Surfaces, MPI for Biophysical Chemistry, Max Planck Society;

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2608782.pdf
(Publisher version), 3MB

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Citation

Chen, L., Schwarzer, D., Lau, J., Verma, V. B., Stevens, M. J., Marsili, F., et al. (2018). Ultra-sensitive mid-infrared emission spectrometer with sub-ns temporal resolution. Optics Express, 26(12), 14859-14868. doi:10.1364/OE.26.014859.


Cite as: http://hdl.handle.net/21.11116/0000-0001-96D3-7
Abstract
We evaluate the performance of a mid-infrared emission spectrometer operating at wavelengths between 1.5 and 6 mu m based on an amorphous tungsten silicide (a-WSi) superconducting nanowire single-photon detector (SNSPD). We performed laser induced fluorescence spectroscopy of surface adsorbates with sub-monolayer sensitivity and sub-nanosecond temporal resolution. We discuss possible future improvements of the SNSPD-based infrared emission spectrometer and its potential applications in molecular science.