New type small-angle sensor based on the surface plasmon resonance technology

In this paper, a new type small-angle sensor based on the surface plasmon resonance (SPR) technology is proposed. Two right angle prisms are mounted on two high precision rotation stages, respectively. When the light source passes through this experimental structure, we can achieve the small rotatio...

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Bibliographic Details
Main Authors: Shinn-Fwu Wang, Chih-Ju Lin, Cheng-Lung Hsu, Hung-Shing Tsai, Che-Yu Liu
Format: Conference Proceeding
Language:English
Subjects:
Attenuated Total-Internal Reflection (ATR)
Biomedical optical imaging
Goniometers
Kretchmann's configuration
Optical films
Optical reflection
Optical refraction
Optical surface waves
Plasmons
Resonance
Rotation measurement
Small angle measurement
Surface Plasmon Resonance (SPR)
Surface waves
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Summary:In this paper, a new type small-angle sensor based on the surface plasmon resonance (SPR) technology is proposed. Two right angle prisms are mounted on two high precision rotation stages, respectively. When the light source passes through this experimental structure, we can achieve the small rotation angle only by measuring the output powers by uses of two photo-detectors. The resolution of the system can reach 1.2×10 -6 radian.
ISSN:1091-5281
DOI:10.1109/IMTC.2009.5168513