The performance investigation of surface plasmon resonance sensor having parabolic diffused optical layer

摘要

Effect of a parabolic diffused optical layer on the sensitivity, detection accuracy and quality parameter of surface plasmon resonance sensor are theoretically studied. The reflectivity of parabolic diffused graded profile sensor is calculated using transfer-matrix-method. The obtained reflectivities of this sensor are compared with the reflectivity of a uniform profile surface plasmon resonance sensor. It is observed that the introduction of parabolic graded optical layer decrease the sensitivity of sensor but the same time it improve the detection accuracy and quality parameter of sensor.