Measurement of faraday rotation using phase-sensitive low-coherence interferometry

Muhammad K. Al-Qaisi, Hui Wang, Taner Akkin

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We report a differential phase sensor capable of measuring Faraday rotation in reflection mode with a single measurement and a small field-depth factor. Based on a polarization-maintaining-fiber lowcoherence interferometer, the sensor measures phase difference between two decorrelated and oppositely polarized circular states incident on a sample. Sensitivity of the sensor for the Faraday rotation is 0:31 arcmin, allowing applications on small volumes of liquids. The Verdet constants of various liquids, including clear and turbid samples, are measured at 857 nm.

Original languageEnglish (US)
Pages (from-to)5829-5833
Number of pages5
JournalApplied Optics
Volume48
Issue number30
DOIs
StatePublished - Oct 20 2009

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