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Optics Letters

Optics Letters


  • Vol. 21, Iss. 8 — Apr. 15, 1996
  • pp: 618–620

Integrated-optical directional coupler biosensor

B. J. Luff, R. D. Harris, J. S. Wilkinson, R. Wilson, and D. J. Schiffrin  »View Author Affiliations

Optics Letters, Vol. 21, Issue 8, pp. 618-620 (1996)

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We present measurements of biomolecular binding reactions, using a new type of integrated-optical biosensor based on a planar directional coupler structure. The device is fabricated by Ag+ –Na+ ion exchange in glass, and definition of the sensing region is achieved by use of transparent fluoropolymer isolation layers formed by thermal evaporation. The suitability of the sensor for application to the detection of environmental pollutants is considered.

© 1996 Optical Society of America

Original Manuscript: September 27, 1995
Published: April 15, 1996

B. J. Luff, R. Wilson, D. J. Schiffrin, R. D. Harris, and J. S. Wilkinson, "Integrated-optical directional coupler biosensor," Opt. Lett. 21, 618-620 (1996)

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