Ultrashort Long-Period Fiber Grating Sensors Inscribed on a Single Mode Fiber Using Laser Radiation

Figure 3

Theoretical attenuation at the resonance peak of a 600 μm period LPFG when considering (a) a length of 4.8 mm and different weights and (b) 5 g (0.049 N) and (c) 80 g (0.78 N) weights and different length.

(a)

(b)

(c)