Studies on AOTF as the Wavelength Selector for SPR Sensor

Abstract

Abstract: A surface plasmon resonance(SPR) experimental setup based on wavelength modulation using acousto optic tunable filter(AOTF) as the wavelength selector was described. The characteristic and performance of AOTF were introduced. Using the AOTF SPR sensor setup, alcohol, glucose and sucrose were determined. The linear ranges for the determination of alcohol, glucose and sucrose are 5%~60%(volume fraction), 0.028~0.280 mol/L, 0.014~0.140 mol/L, respectively. The mixture of glucose and sucrose was also analyzed. Some samples were analyzed with the sensor. The results obtained are in agreement with those obtained with standard method.

Key words: Acousto optic tunable filter(AOTF), Surface plasmon resonance(SPR), Sensor

CLC Number:

O657
O652.2

TrendMD:

TIAN Yuan, ZHANG Wei-Shi, SONG Da-Qian, CAO Yan-Bo, LIU Xia, ZHANG Han-Qi, XU Han-Ying . Studies on AOTF as the Wavelength Selector for SPR Sensor[J]. Chem. J. Chinese Universities, 2004, 25(3): 441.

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Studies on AOTF as the Wavelength Selector for SPR Sensor

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