How does a blackbody look like?

A blackbody is usually made of two parts linked through a cable:

  • emissive head: including an emissive surface coated with highly emissive coating or a cavity. An accurate temperature sensor is inserted into the emissive surface or cavity measuring the temperature of the source in real time. Depending on the temperature range the emissive head is also equipped with heating and/or cooling means.
  • electronic controller: which brings power to the heating/cooling mean while acquiring and displaying the temperature of the emissive surface in real time. The electronic controller is equipped with accurate servo control loop for high-stability temperature regulation.