Fabrizio Giorgetta

Publications

Broadband dual-comb hyperspectral imaging and adaptable spectroscopy with programmable frequency combs

January 29, 2024

Author(s)

Fabrizio Giorgetta, Jean-Daniel deschenes, Richard L. LIEBER, Ian Coddington, Nathan Newbury, Esther Baumann

We explore the advantages of a free-form dual-comb spectroscopy (DCS) platform based on the time programmable frequency comb for real time penalty-free apodized

Open-path measurement of stable water isotopologues using mid-infrared dual-comb spectroscopy

September 8, 2023

Author(s)

Daniel Herman, Griffin Mead, Fabrizio Giorgetta, Esther Baumann, Nathan Malarich, Brian Washburn, Nathan R. Newbury, Ian Coddington, Kevin Cossel

We present an open-path mid-infrared dual-comb spectrometer (DCS) capable of precise measurement of the stable water isotopologues H216O and HD16O. This system

Dual-Comb Spectroscopy of Carbon Dioxide and Methane Across a 14.5 km Long Outdoor Path

September 1, 2023

Author(s)

Fabrizio Giorgetta, Esther Baumann, Brian Washburn, Nathan Malarich, Jean-Daniel Deschenes, Ian Coddington, Nathan Newbury, Kevin Cossel

Greenhouse-gas dual-comb spectroscopy is extended to a city-scale 14.5-km path length using remote receiver and data acquisition. This configuration enables

MODELLING AND REMOVING DIGITIZER NONLINEARITY FOR ACCURATE DUAL FREQUENCY COMB SPECTROSCOPY

August 15, 2023

Author(s)

Nathan Malarich, Kevin Cossel, JEAN-DANIEL DESCHENES, Fabrizio Giorgetta, Brian Washburn, Nathan Newbury, Ian Coddington, Jerome Genest

Operation of any dual-comb spectrometer requires digitization of the interference signal before further processing. Nonlinearities in the analog-to-digital

Removing Bias in Dual-Comb Spectroscopy from Pipeline Analog to Digital Converter Conversion

August 3, 2023

Author(s)

Nathan Malarich, Fabrizio Giorgetta, Kevin Cossel, Brian Washburn, Jerome Genest, Nathan Newbury, Ian Coddington

We quantify the percent-level bias in dual-comb spectroscopy due to nonlinearities from the analog-to-digital conversion and demonstrate a compensation method

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Patents (2018-Present)

A Light-based Testing System for Detecting Chemicals and Materials

NIST Inventors

Fabrizio Giorgetta , Esther Baumann , JD Deschenes and Ian Coddington

This invention introduces a dual comb spectroscopy system that enhances optical measurement accuracy. It uses two optical frequency combs to analyze light absorption and emission with high precision. The system improves data collection speed and reduces errors in spectral analysis. It is designed to

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Fabrizio Giorgetta (Fed)

Publications

Patents (2018-Present)