Photonics Research

- Professors Sangyoon Han and Jaesok Yu’s teams use semiconductor fabrication processes to develop a “non-contact, ultra-high-sensitivity” ultrasonic receiver - Detects MHz-range ultrasound through the air without the need for gel, achieving a 25,000-fold improvement in responsivity per unit sensing area - Expected to revolutionize precision nondestructive testing of contamination-sensitive components such as semiconductor wafers and secondary batteries - Published in Photonics Research, a renowned international journal in the field of optics