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Beam Profile Investigation of an Optoelectronic Continuous-Wave Terahertz Emitter

The beam profile of an optoelectronic continuous-wave terahertz emitter is investigated in the frequency range up to 200 GHz. The radiation pattern is measured by a calibrated pyroelectric power detector. As these frequencies are promising for terahertz communications, knowledge and predictability of radiation pattern are required for link budged estimation.