This project applies electronic calibration to MEMS inertial sensors to reduce sensitivity to fabrication imperfections and environmental variations. For example, the gyroscope shown in the block diagram combines electronic mode-matching, box-car sampling, and positive feedback to achieve an order-of-magnitude higher performance and reduced power dissipation.

This project uses custom piezo-electric transducer arrays for ultrasonic imaging. The ultra-thin membrane design results in good coupling in air, enabling a wide range of applications including 3D localization, touch screens, gesture recognition, ranging with millimeter accuracy, air speed measurements and gas flow sensors. Compared to optical methods, ultrasound based solution have orders-of-magnitude lower power dissipation, making this technology ideal for application in battery powered devices such as smart phones.

Compared to time-of-flight ranging, continuous wave frequency modulated Lidar requires significantly lower timing resolution. The goal of this project is to leverage this advantage in a low power 3D camera.

Electronic circuits enable a wide range of new and improved devices for medical diagnosis. We are working on sensors for diagnosing infectious disease, magnetic flow cytometry, and evaluating cancer margins in interoperative settings.