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 language | English (US) |
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Pages (from-to) | 5829-5833 |
Number of pages | 5 |
Journal | Applied Optics |
Volume | 48 |
Issue number | 30 |
DOIs | |
State | Published - Oct 20 2009 |