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WaveRyde Instruments is a quantum technology company that is commercializing quantum sensors that use atoms to measure radio frequency electromagnetic waves. These sensors use light to make the atoms sensitive to radio frequency waves. The atoms are room temperature and contained in a vapour cell, a body that contains gaseous cesium. When a radio frequency field is present, the transmission of one laser passing through the vapour cell is altered. The changes in transmission of the light can be used to determine the properties of the radio frequency wave.
Advantages of the method are that the sensor is self-calibrated and traceable; the sensor can be all dielectric, hence highly electromagnetically transparent; the same sensor can have a high carrier bandwidth spanning from sub-GHz to THz; the sensor can be made in almost any shape and size; and the atoms can be very sensitive. Our sensors can be used for a wide variety of applications, particularly at high frequencies.