Refractive index sensitivity measurement of a long period waveguide grating

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For the application of a long-period waveguide grating (LPWG) to a refractive index (RI) sensor, its RI sensitivity is experimentally investigated. The characteristics of the LPWG made of thermocurable polymers are, observed when individual liquids with different RIs cover its cladding surface. They are sensitive to the RI of liquid. For the transverse-magnetic mode, the center wavelength of a resonance band increases by 77.7 nm as the RI of liquid increases from 1.0 to 1.47. The experimental results indicate that the LPWG may be used as an RI sensor.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2005-09
Language
English
Article Type
Article
Keywords

SENSORS

Citation

IEEE PHOTONICS TECHNOLOGY LETTERS, v.17, no.9, pp.1923 - 1925

ISSN
1041-1135
DOI
10.1109/LPT.2005.853029
URI
http://hdl.handle.net/10203/87672
Appears in Collection
EE-Journal Papers(저널논문)
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