| 主权项 |
1. An oxygen sensing system, comprising:
an oxygen sensor comprising:
a substrate structured to communicate optical signals;an oxygen sensing layer disposed on the substrate, the oxygen sensing layer comprising an oxygen sensing molecule disposed in a matrix, the oxygen sensing molecule formulated to be in a first unexcited state, the oxygen sensing molecule further formulated to:
(a) be excited in response to a first optical signal so as to move into a second state,(b) be quenched in the second state by oxygen present in a sample in contact with the oxygen sensor, and(c) emit a second optical signal different from the first optical signal, an optical parameter of the second optical signal corresponding to an amount of the oxygen present in the sample;a protective layer disposed on the oxygen sensing layer, the protective layer including at least one of i) an oleophobic layer configured to protect the oxygen sensing layer from hydrocarbons and organic solvents, and ii) an anti-fouling layer configured to protect the oxygen sensing layer from fouling; and a controller optically coupled to the substrate, the controller structured to generate the first optical signal and communicate the first optical signal to the oxygen sensing layer via the substrate, the controller further configured to receive the second optical signal via the substrate and analyze the optical parameter of the second optical signal to determine a concentration of the oxygen in the sample. |
