22 September 2019
Scientists have described their efforts to capture optical coherence tomography (OCT) images using a microchip in APL photonics.
Researchers from Colombia University in the US produced high-contrast OCT images on an 8mm square microchip using a tunable delay line.
The authors hope that the technology will receive industry funding to develop a small fully integrated handheld OCT device for use outside of hospitals in low resource settings.
A 0.4m Si3N4 delay line was coiled on to the microchip with microheaters that act to tune the heat sensitive Si3N4.
Co-author, Aseema Mohanty, highlighted that the development extends the OCT imaging range by 0.6mm while maintaining a high signal to noise ratio.
“Previously, we’ve been limited, but using the technique we developed in this project, we’re able to say we can make any size system on a chip,” she said.
Image credit: Pixabay/Thomas1311
Researchers from Colombia University in the US produced high-contrast OCT images on an 8mm square microchip using a tunable delay line.
The authors hope that the technology will receive industry funding to develop a small fully integrated handheld OCT device for use outside of hospitals in low resource settings.
A 0.4m Si3N4 delay line was coiled on to the microchip with microheaters that act to tune the heat sensitive Si3N4.
Co-author, Aseema Mohanty, highlighted that the development extends the OCT imaging range by 0.6mm while maintaining a high signal to noise ratio.
“Previously, we’ve been limited, but using the technique we developed in this project, we’re able to say we can make any size system on a chip,” she said.
Image credit: Pixabay/Thomas1311
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