The race is on to build compact solid-state emitters and detectors for the underutilized part between the microwave and the infrared regions.

• 此射线是波段位于微波与红外线之间的电磁辐射区域,以前未充分利用,现在人们意识到要研制小型固态发射器及检测器用于产生和检测太赫磁波。