Multifunctional controlled IR-emitting unit

We present the results of our investigations of a multifunctional emitting unit based on p+–p–p+-Ge structure with anisotropic conductivity induced by a magnetic field. It is shown that the presence of complex controlled concentration profiles in the structure greatly increases the performance of the emitting unit, enabling one to simulate positive, negative or alternating contrasts. This makes it possible to use this unit as the basis of special emission sources intended for calibration of infrared systems.