Skip to main content
. 2017 Apr 19;17(4):893. doi: 10.3390/s17040893

Figure 15.

Figure 15

(a) Humidity response of the WGM spectrum for an uncoated microsphere resonator; (b) spectral shift versus RH for the sensors based on the same diameter microsphere coated with agarose solutions of different concentrations. Reprinted from [92] with permission from OSA Publishing.