Fig. 2From: Spiral Antenna-Coupled Microbridge Structures for THz ApplicationTHz wave absorption curves of microbridge structures with different rotation angles (360*n) of spiral antenna: a n = 1.0~1.3; b n = 1.3~1.5; c n = 1.5~1.7; d n = 1.8~2.1; e n = 2.1~2.4; and f n = 2.5~2.8Back to article page