Small phase calibration device for time-of-flight depth camera

Abstract

The present disclosure relates to a compact phase calibration apparatus for time-of-flight depth cameras. Systems and apparatuses for phase calibration in time-of-flight cameras are disclosed. In particular, systems and methods for a compact cover design that at least partially encloses a time-of-flight (ToF) module are presented. The geometry of the compact design is such that signals reflected back to the ToF imager from the calibration apparatus have substantially the same time-of-flight. The design of the calibration apparatus can prevent the leakage of modulated emissions into the environment.