Let There Be Light

Paul McCool – March 2017

This image shows a prototype of one of the components that the Proteus team is developing.

The light sources are light-emitting diodes, which will shine light down an optical fibre that has been passed into the deep (distal) areas of patients’ lungs. In this way, Proteus will be “lighting up the lung” using a procedure called fluorescence microscopy.

LEDs are highly beneficial to such a procedure in comparison to traditional white light sources, such as mercury lamps that must be used in conjunction with wavelength filters. Their compact size, low power consumption, and long life span make them financially convenient, while their narrower wavelength bandwidth, and the ability to instantly switch them on/off or adjust their properties makes them ideal for fast image acquisition – exactly what Proteus needs.

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