Refractometric Sensing of Protein in Urine by the Photonic Crystal Fiber Biosensor in THz Regime

Figure 6

The mode field distribution with intensity scale of the proposed PCF for different levels of protein concentration in x-polarization mode at optimum design conditions (a) 7–125 mg/dl, (b) 250–500 mg/dl, and (c) 1000 mg/dl.

(a)

(b)

(c)