A detector system for performing at least one of transmitting and receiving electromagnetic radiation at a low-terahertz frequency. The detection of electromagnetic radiation at low-terahertz frequencies can be useful in the detection of various chemicals. Preferably a detector includes a microresonant...http://www.google.fr/patents/US7659513?utm_source=gb-gplus-shareBrevet US7659513 - Low terahertz source and detector
