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Measurements of refractive index sensitivity using long-period grating refractometer
- Source :
-
Optics Communications . Jan2004, Vol. 229 Issue 1-6, p65-69. 5p. - Publication Year :
- 2004
-
Abstract
- We report the development and demonstration of a long-period grating refractometer. The principle of operation is based on the using of a long-period grating that is structurally induced by a CO2 laser, and where the resonance wavelengths are shifted as the refractive index of medium surrounding the cladding of the long-period grating. The different concentrations for three types of solutions (ethylene glycol, salt, and sugar) were experimentally measured, and results show that, as a refractometer, this fiber-based device not only can differentiate chemicals based on their refractive index, but it can also become a concentration indicator of a particular chemical solution, and applied in the oil and petroleum industry. [Copyright &y& Elsevier]
Details
- Language :
- English
- ISSN :
- 00304018
- Volume :
- 229
- Issue :
- 1-6
- Database :
- Academic Search Index
- Journal :
- Optics Communications
- Publication Type :
- Academic Journal
- Accession number :
- 22259406
- Full Text :
- https://doi.org/10.1016/j.optcom.2003.10.044