Polarimetric optical-fibre sensor for biochemical measurements

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Heideman, Rene G. and Kooyman, Rob P.H. and Greve, Jan (1993) Polarimetric optical-fibre sensor for biochemical measurements. Sensors and Actuators B: Chemical, 12 (3). pp. 205-212. ISSN 0925-4005

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Abstract:The use of an optical-fibre polarimeter as a chemical sensor is demonstrated. The compound to be detected is allowed to adsorb onto a decladded 5 cm length of the fibre. The fibre is polarization maintaining with an elliptical fibre core and a D-shaped geometry. The overall retardation stability of this fibre polarimeter is ≈ 0.5 × 2π rad m−1 K−1. With this sensor adsorption processes of proteins can be followed on-line. The resulting relative phase retardations caused by the growth of a monolayer of antibodies (αhCG, αhSA) are 0.25 × 2π. For the much smaller protein hSA, this value is 0.1 × 2π
Item Type:Article
Copyright:© 1993 Elsevier Science
Faculty:
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/24591
Official URL:http://dx.doi.org/10.1016/0925-4005(93)80020-C
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Metis ID: 129392