Interference amplification method for registration of intracerebral hemodynamic changes

Stanislaw Wojtkiewicz; Karolina Bejm; Adam Liebert

doi:10.1117/12.2615432

9 December 2021 Interference amplification method for registration of intracerebral hemodynamic changes

Stanislaw Wojtkiewicz, Karolina Bejm, Adam Liebert

Proceedings Volume 11920, Diffuse Optical Spectroscopy and Imaging VIII; 1192021 (2021) https://doi.org/10.1117/12.2615432
Event: European Conferences on Biomedical Optics, 2021, Online Only

Abstract

We introduce method of lock-in amplifying optical signals originating within brain. It requires 90-degree rotated source-detector pairs. In-vivo results suggest the proposed hardware and algorithm are brain-sensitive and real-time.

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Stanislaw Wojtkiewicz, Karolina Bejm, and Adam Liebert "Interference amplification method for registration of intracerebral hemodynamic changes", Proc. SPIE 11920, Diffuse Optical Spectroscopy and Imaging VIII, 1192021 (9 December 2021); https://doi.org/10.1117/12.2615432

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KEYWORDS

In vivo imaging

Linear filtering

Visualization

Brain

Homodyne detection

Sensors

Signal detection

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