Precise measurements of Faraday rotation using ac magnetic fields

V. K. Valev, J. Wouters, T. Verbiest

Research output: Contribution to journalArticlepeer-review

45 Citations (SciVal)


We discuss several important issues concerning the use of a lock-in amplifier and the experimental procedure that need to be addressed to obtain accurate measurements of the Faraday rotation using ac magnetic fields. Our study was conducted on BK7 glass. We show that if electronic interference is avoided and the dependence of the signal on the average light intensity is taken into account, an accurate value of the Verdet constant for thin samples can be determined.

Original languageEnglish
Pages (from-to)626-629
Number of pages4
JournalAmerican Journal of Physics
Issue number7
Publication statusPublished - 1 Jul 2008


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