supported by the National Natural Science Foundation of China(No.61265006);the Specialized Research Fund for the Doctoral Program of Higher Education(No.20126102110031);the Scientific Research Fund of Guangxi Education Department(No.2013YB089)
For enhancing the response of light-addressable potentiometric sensor(LAPS) and further improving its signal-to-noise ratio(SNR),an optical focusing method is adopted.Experimental research and theoretical analysis rev...