In the applications of THz, the problem about the coupling between THz radiation and waveguide should be solved.In addition to THz radiation, waveguide and detector.

• 太赫兹的应用除了太赫兹辐射源，太赫兹传输器件，太赫兹探测器等关键器件之外，还必须解决太赫兹辐射源和太赫兹传输器件之间的耦合问题。