Experimental demonstration of heterodyne functional near infrared spectroscopy with high resolution depth recovery capabilities

Roberto Barreiro; Pedro Martín-Mateos; J.L González-Mora; J.E. Posada-Román; Cristina de Dios; Cristina de Dios

doi:10.1364/CLEO_AT.2022.JW3A.1

Conference on Lasers and Electro-Optics
Technical Digest Series (Optica Publishing Group, 2022),
paper JW3A.1
•https://doi.org/10.1364/CLEO_AT.2022.JW3A.1

Experimental demonstration of heterodyne functional near infrared spectroscopy with high resolution depth recovery capabilities

Roberto Barreiro, Pedro Martín-Mateos, J.L González-Mora, J.E. Posada-Román, and Cristina de Dios

CLEO: QELS_Fundamental Science 2022

San Jose, California United States
15–20 May 2022
ISBN: 978-1-957171-05-0

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Joint Poster Session II-A (In-person) (JW3A)

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R. Barreiro, P. Martín-Mateos, J. L. González-Mora, J. E. Posada-Román, and C. de Dios, "Experimental demonstration of heterodyne functional near infrared spectroscopy with high resolution depth recovery capabilities," in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper JW3A.1.

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Abstract

We present a new functional near-infrared technique (HET-fNIRS) based on heterodyne optical detection applied to dispersive media that offers high phase resolution (10mrad) and fast temporal resolution (5ms) with noiseless optical gain (enhanced depth range).

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