High-performance differential surface plasmon resonance sensor using quadrant cell photodetector

H. Q. Zhang, S. Boussaad, Nongjian Tao

Research output: Contribution to journalArticle

50 Scopus citations

Abstract

A high-resolution surface plasmon resonance (SPR) sensor was presented using a quadrant cell photodetector. The sensor focused the diode laser through a prism onto a gold film that was divided into two areas. The signals from the two areas were produced and detected with the same laser, optics and photodetector.

Original languageEnglish (US)
Pages (from-to)150-153
Number of pages4
JournalReview of Scientific Instruments
Volume74
Issue number1 I
DOIs
StatePublished - Jan 2003

ASJC Scopus subject areas

  • Instrumentation

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