“…This allows for high precision of diagnosis. Literature on the THz metamaterial has been reported using optical waveguides [11]- [14], slow light devices [15]- [18], optical buffers [19]- [21], switching [22]- [24], Optical detection [25]- [30] such as cancer [31]- [33] and virus detection [34]- [38] thermo-optical modulators [39]- [41], opto-chemical sensors [30]- [46], cloaking devices [47], [48], optical sensors [36]- [52], etc.…”