Fiber Optic Chemical Nanosensors Based on Engineered Single-Walled
Carbon Nanotubes
Figure 10
(a) Time responses of the sensor
SOF-4, exposed to four decreasing concentration pulses of toluene vapors, at
room temperature; (b) repeatability test, carried out by exposing the same sensor to 30-minute pulses of xylene vapors with a concentration as low as 21 ppm.