High resolution mid-infrared optical coherence tomography with kHz line rate

Niels M. Israelsen; Peter John Rodrigo; Christian R. Petersen; Getinet Woyessa; Rasmus E. Hansen; Peter Tidemand-Lichtenberg; Christian Pedersen; Ole Bang

doi:10.1364/OL.432765

High resolution mid-infrared optical coherence tomography with kHz line rate

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Abstract

We report on Mid-infrared (MIR) OCT at 4 µm based on collinear sum-frequency upconversion and promote the A-scan scan rate to 3 kHz. We demonstrate the increased imaging speed for two spectral realizations, one providing an axial resolution of 8.6 µm, and one providing a record axial resolution of 5.8 µm. Image performance is evaluated by sub-surface micro-mapping of a plastic glove and real-time monitoring of CO₂ in parallel with OCT imaging.

Original language	English
Journal	Optics Letters
Volume	46
Issue number	18
Pages (from-to)	4558-4561
ISSN	0146-9592
DOIs	https://doi.org/10.1364/OL.432765
Publication status	Published - 2021

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title = "High resolution mid-infrared optical coherence tomography with kHz line rate",

abstract = "We report on Mid-infrared (MIR) OCT at 4 µm based on collinear sum-frequency upconversion and promote the A-scan scan rate to 3 kHz. We demonstrate the increased imaging speed for two spectral realizations, one providing an axial resolution of 8.6 µm, and one providing a record axial resolution of 5.8 µm. Image performance is evaluated by sub-surface micro-mapping of a plastic glove and real-time monitoring of CO2 in parallel with OCT imaging.",

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AU - Israelsen, Niels M.

AU - Rodrigo, Peter John

AU - Petersen, Christian R.

AU - Woyessa, Getinet

AU - Hansen, Rasmus E.

AU - Tidemand-Lichtenberg, Peter

AU - Pedersen, Christian

AU - Bang, Ole

PY - 2021

Y1 - 2021

N2 - We report on Mid-infrared (MIR) OCT at 4 µm based on collinear sum-frequency upconversion and promote the A-scan scan rate to 3 kHz. We demonstrate the increased imaging speed for two spectral realizations, one providing an axial resolution of 8.6 µm, and one providing a record axial resolution of 5.8 µm. Image performance is evaluated by sub-surface micro-mapping of a plastic glove and real-time monitoring of CO2 in parallel with OCT imaging.

AB - We report on Mid-infrared (MIR) OCT at 4 µm based on collinear sum-frequency upconversion and promote the A-scan scan rate to 3 kHz. We demonstrate the increased imaging speed for two spectral realizations, one providing an axial resolution of 8.6 µm, and one providing a record axial resolution of 5.8 µm. Image performance is evaluated by sub-surface micro-mapping of a plastic glove and real-time monitoring of CO2 in parallel with OCT imaging.

U2 - 10.1364/OL.432765

DO - 10.1364/OL.432765

M3 - Journal article

C2 - 34525046

SN - 0146-9592

VL - 46

SP - 4558

EP - 4561

JO - Optics Letters

JF - Optics Letters

IS - 18

ER -

High resolution mid-infrared optical coherence tomography with kHz line rate

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