Polametric optical-fibre sensor for biochemical measurements

Rene Heideman, R.P.H. Kooyman, Jan Greve

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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
Original languageUndefined
Pages (from-to)205-212
Number of pages8
JournalSensors and Actuators B: Chemical
Issue number3
Publication statusPublished - 1993


  • IR-24591
  • METIS-129392

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