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A parylene-based waveguide has the physical characteristics necessary to enable it to emerge as the new standard in optical biointerfaces. Researchers at Carnegie Mellon University developed the highly flexible waveguide, which can additionally operate over a broad spectrum of light.
The device answers the demand for miniaturized and flexible optical tools necessary for reliable ambulatory and on-demand imaging and manipulation of biological events within the body. Integrated photonic technology has mainly evolved around developing devices for optical communications, which has mainly relied on silicon photonics.
A parylene photonic waveguide surrounded by neurons. Courtesy of Carnegie Mellon University College of Engineering….