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Subsampling dual-comb spectroscopy.

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We demonstrate a technique to compress spectral information in dual-comb spectroscopy that relies on subsampling of the electrical interferogram. It enables us to reduce the data sample rate by arbitrary… Click to show full abstract

We demonstrate a technique to compress spectral information in dual-comb spectroscopy that relies on subsampling of the electrical interferogram. It enables us to reduce the data sample rate by arbitrary factors directly in the sampling process or in post-processing of existing data. A demonstration code is provided.

Keywords: dual comb; comb spectroscopy; spectroscopy; subsampling dual

Journal Title: Optics letters
Year Published: 2020

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