pH sensor using Langmuir-Blodgett overlays on polished optical fibers.
Opt Lett
; 22(8): 567-9, 1997 Apr 15.
Article
em En
| MEDLINE
| ID: mdl-18183269
ABSTRACT
Evanescent coupling between a side-polished single-mode optical fiber and a single-mode, pH-sensitive Langmuir-Blodgett overlay is used to demonstrate an intrinsic fiber-optic pH sensor. The sensor shows a wavelength sensitivity of 18.8 +/- 0.8 nm/pH and a transmission sensitivity of 9.7 +/- 0.8 dB/pH when operating at 750 nm.
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MEDLINE
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En
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Opt Lett
Ano de publicação:
1997
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Article