Distributed Bragg reflector laser-based sensor for chemical detection

O. Hennig, Y. Beregovskii, R. Clemens, S. Mendes, M. Fallahi, N. Peyghambarian

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

In this paper we present a novel sensor based on the modification of a distributed Bragg reflector (DBR) laser: the optical path length of a resonant cavity is changed thus changing the resonant frequency. The external cavity of the DBR laser, with a sensitive element within is used to detect chemical species and temperature. We will show the expected resolution as well as preliminary experimental results.

Original languageEnglish (US)
Pages (from-to)311-315
Number of pages5
JournalOptics Communications
Volume156
Issue number4-6
DOIs
StatePublished - Nov 15 1998

Keywords

  • Chemical sensor
  • DBR laser
  • Evanescent field

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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