Experimental research on spectrum and imaging of continuous-wave terahertz radiation based on interferometry
Lu Tie-Lin1, Yuan Hui1, Kong Ling-Qin2, Zhao Yue-Jin1, †, , Zhang Liang-Liang2, Zhang Cun-Lin2
       

Energy density distribution curves of the terahertz source. The blue, red, and green dotted lines denote the measured results when the frequency was 160 GHz, 200 GHz, and 233 GHz, respectively.