Photonic Crystal Fiber Sensors for Strain and Temperature Measurement

Figure 4

Variation of resonant wavelength of a LPG with notches (LPG₁) and a similar LPG without notches (LPG₂) with (a) tensile strain, and (b) temperature ⧫: Dip₁₁ of LPG₁, ▪: Dip₁₂ of LPG₁, ▴: Dip₂₁ of LPG₂, ×: Dip₂₂ of LPG₂ [7].

(a)

(b)