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Kwon, Min-Suk
Ubiquitous Photonics Laboratory (UP Lab)
Research Interests
  • Photonics, plasmonics, waveguides, planar lightwave circuits

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Refractive index sensitivity measurement of a long period waveguide grating

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Title
Refractive index sensitivity measurement of a long period waveguide grating
Author
Kwon, Min-SukShin, SY
Keywords
Gratings; Integrated optics; Optical polymers; Optical waveguide filters; Sensitivity
Issue Date
2005-09
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
IEEE PHOTONICS TECHNOLOGY LETTERS, v.17, no.9, pp.1923 - 1925
Abstract
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.
URI
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DOI
10.1109/LPT.2005.853029
ISSN
1041-1135
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EE_Journal Papers
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