Miniaturizing medical imaging, sensing technology

phys.org | 9/18/2017 | Staff
Mijac (Posted by) Level 3
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Scientists have used a microchip to map the back of the eye for disease diagnosis. The interference technology used in the microchip has been around for a little while. This is the first time technical obstacles have been overcome to fabricate a miniature device able to capture high quality images. Credit: Columbia University.

Scientists in Christine Hendon's and Michal Lipson's research groups at Columbia University, New York, have used a microchip to map the back of the eye for disease diagnosis.

Interference - Technology - Bat - Sonar - Sound

The interference technology, like bat sonar but using light instead of sound waves, used in the microchip has been around for a little while. This is the first time that technical obstacles have been overcome to fabricate a miniature device able to capture high quality images.

Ophthalmologists' current optical coherence tomography (OCT) devices and surveyors' light detection and ranging (LIDAR) machines are bulky and expensive. There is a push for miniaturization in order to produce cheap handheld OCT and LIDAR small enough to fit into self-driving cars.

AIP - Photonics - Team - Microchip - Ability

In AIP Photonics, the team demonstrates their microchip's ability to produce high contrast OCT images 0.6 millimeters deeper in human tissue.

"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," said co-author Aseema Mohanty. "That's a big deal!"

Author - Xingchen - Ji - Work - Industry

Author Xingchen Ji is similarly excited and hopes the work receives industry funding to develop a small, fully integrated...
(Excerpt) Read more at: phys.org
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