Preparation of Microfiber Grating for Real-Time Sensing of Escherichia Coli Concentration

Figure 3

(a) Measured spectral responses during the first 4 hours, which was recorded every 30 min; the wavelength shift (b) and transmission loss (c) during the first 4 hours, which were caused by the change of the bacterial concentration.

(a)

(b)

(c)