Biophotonics for all: light transport through tissue

Graham M. Gibson; Akhil Kallepalli

doi:10.1117/12.2664775

28 June 2023 Biophotonics for all: light transport through tissue

Graham M. Gibson, Akhil Kallepalli

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Proceedings Volume 12723, Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023; 1272303 (2023) https://doi.org/10.1117/12.2664775
Event: Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023, 2023, Cocoa Beach, Florida, United States

Abstract

Biophotonics is becoming increasingly prominent in value and visibility. What was predominantly an advanced field of research is now being included increasingly in undergraduate and postgraduate programmes. To increase biophotonics-related STEM awareness, we developed a simple demonstration kit using LEDs and a camera that allows visualising of the blood vessels beneath the skin (specifically the blood vessels in the fingers). The kit uses inexpensive blue, green, red and near-infrared LEDs to show the absorption of shorter wavelengths and transmission of longer wavelengths in the skin. As an outreach and educational tool, this demonstration kit will illustrate the potential of using light for diagnostics.

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Graham M. Gibson and Akhil Kallepalli "Biophotonics for all: light transport through tissue", Proc. SPIE 12723, Seventeenth Conference on Education and Training in Optics and Photonics: ETOP 2023, 1272303 (28 June 2023); https://doi.org/10.1117/12.2664775

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KEYWORDS

Light emitting diodes

Cameras

Biomedical optics

Tissues

Skin

Control systems

Electronic circuits

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