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Slot-waveguide biochemical sensor
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DOI：10.1364/OL.32.003080.png)
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We report an experimental demonstration of an integrated biochemical sensor based on a slot-waveguidemicroring resonator. The microresonator is fabricated on a Si3N4-SiO2 platform and operates at a wavelength of 1.3 mu m. The transmission spectrum of the sensor is measured with different ambient refractive indices ranging from n = 1. 33 to 1.42. A linear shift of the resonant wavelength with increasing ambient refractive index of 212 nm/refractive index units (RIU) is observed. The sensor detects a minimal refractive index variation of 2 X 10(-4) RIU. (c) 2007 Optical Society of America.
Keyword:
REFRACTIVE-INDEX
CONFINING LIGHT
RESONATOR
期刊
IF:
3.3
论文数:
4.0W
被引数:
7.6W
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