Applications, Research, Robotics

Georgia State Researchers Create Artificial Vision Device for Microrobots

Researchers at Georgia State University (GSU) have developed an innovative ‘electric eye’—an artificial vision system tailored for micro-sized robots. By utilizing synthetic methodologies, this device emulates the biochemical processes that facilitate vision in nature.

This advancement enhances previous studies regarding color recognition, an area historically challenged by the complications in miniaturizing color sensing technologies. Traditional color sensors often occupy substantial space and yield less accurate detection. The new design incorporates a unique vertical stacking architecture, providing a refreshing perspective on device construction. Utilizing van der Waals semiconductors, the sensors can deliver precise color recognition while streamlining the lens system for miniaturization.

“The new capabilities of our image sensor architecture are largely dependent on the rapid advancements in van der Waals semiconductors in recent years,” stated one of the researchers. “Compared to conventional semiconductors like silicon, we can accurately manipulate the band structure, thickness, and other essential parameters of van der Waals materials to detect red, green, and blue colors.”

The findings were published in ACS Nano, a scientific journal focused on nanotechnology. The paper highlighted the fundamental principles and viability surrounding artificial vision in the newly designed micro-sized image sensor.

Sidong Lei, an assistant professor of Physics at GSU and the lead researcher, remarked, “Over 80% of the information in research, industry, healthcare, and our daily lives is derived from vision. Our ultimate goal is to create a micro-scale camera for microrobots capable of navigating tight spaces inaccessible by current technologies, paving the way for breakthroughs in medical diagnosis, environmental research, manufacturing, archaeology, and more.”

The technology is currently patent pending at Georgia State’s Office of Technology Transfer and Commercialization.

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