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Low-Coherence Interferometer with Nanocrystalline Diamond Films with Potential Application to Measure Small Biological Samples

  • Marzena Hirsch
  • , Monika Kosowska
  • , Daria Majchrowicz
  • , Przemysław Struk
  • , Paweł Wierzba
  • , Mateusz Ficek
  • , Kamatchi J. Sankaran
  • , Ken Haenen
  • , Małgorzata Jędrzejewska-Szczerska
  • Gdańsk University of Technology
  • Hasselt University
  • Interuniversitair Micro-Elektronica Centrum

Research output: Contribution to journalArticlepeer-review

Abstract

The study investigates a case of a low-coherence fiber-optic Fabry–Pérot interferometer with a nanocrystalline diamond (NCD) mirror. The method of achieving double density of interference fringes is proposed by the application of birefringent material in the cavity of the interferometer. It can be used to reduce sample volume in comparison to conventional interferometers. The use of a biocompatible diamond mirror makes it specifically well suited for application in biosensing. The fabrication process and surface characterization of the nitrogen-doped NCD and boron-doped NCD films are described. The results of numerical modeling and experimental measurements are discussed.

Original languageEnglish
Article number1800244
JournalPhysica Status Solidi (A) Applications and Materials Science
Volume215
Issue number22
DOIs
Publication statusPublished - 21 Nov 2018

Keywords

  • Fabry–Pérot sensor
  • boron-doped nanocrystalline diamonds
  • nitrogen-doped nanocrystalline diamonds

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry
  • Electrical and Electronic Engineering

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