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Measuring the Faraday effect in olive oil using permanent magnets and Malus' law [dataset] Open Access

We present a simple permanent magnet set-up that can be used to measure the Faraday effect in gases, liquids and solids. By fitting the transmission curve as a function of polarizer angle (Malus’ law) we average over fluctuations in the laser intensity and can extract phase shifts as small as ± 50 µrads. We have focused on measuring the Faraday effect in olive oil and find a Verdet coefficient of V = 192 ± 1 deg T−1 m−1 at approximately 20 ◦C for a wavelength of 659.2 nm. We show that the Verdet coefficient can be fit with a Drude-like dispersion law A/(λ 2 − λ 2 0 ) with coefficients A = 7.9 ± 0.2 × 107 deg T−1 m−1 nm2 and λ0 = 142 ± 13 nm.

Descriptions

Resource type

Dataset

Contributors

Data curator: Spong, Nicholas Leonard Robert ¹
Editor: Spong, Nicholas Leonard Robert ¹
Creator: Carr, Daniel ¹
Data collector: Carr, Daniel ¹
Editor: Adams, Charles ¹
Editor: Hughes, Ifan ¹

¹ Durham University

Funder

Engineering and Physical Sciences Research Council

Research methods

Other description

Keyword

Faraday effect
Olive oil
Malus Law

Subject

Faraday effect

Location

Language

English

Cited in

arxiv:1908.08120

Identifier

ark:/32150/r2ng451h53g
doi:10.15128/r2ng451h53g

Rights

Creative Commons Attribution 4.0 International (CC BY)

Publisher

Durham University

Date Created

File Details

Depositor

N.L.R. Spong

Date Uploaded

23 September 2019, 21:09:51

Date Modified

25 September 2019, 09:09:34

Audit Status

Audits have not yet been run on this file.

Characterization

File format: zip (ZIP Format)

Mime type: application/zip

File size: 1427184

Last modified: 2019:09:23 22:09:01+01:00

Filename: Faraday Raw Data.zip

Original checksum: 8696fc08bed73fdfca54e8e4335ea408