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Magneto-Optical Effects And Precision Measurement Physics: Accessing The Magnetic Faraday Effect Of Polarized 3He With A Triple Modulation Technique, Gretchen Phelps
Magneto-Optical Effects And Precision Measurement Physics: Accessing The Magnetic Faraday Effect Of Polarized 3He With A Triple Modulation Technique, Gretchen Phelps
Theses and Dissertations--Physics and Astronomy
This work is comprised of the study of two magneto-optical phenomena: the Kerr effect and the Faraday effect. Neutron physics experiments often utilize polarized neutrons, and one method to generate or guide polarized neutrons involves the use of a system of magnetic super-mirrors. Experience shows that the magnetization of the super-mirror may decay with time; therefore, we implemented the surface magneto-optical Kerr effect (SMOKE) to study the temporal behavior of the magnetization of a magnetized remnant super-mirror sample, where a sensitivity of 0.1 mrad was obtained. Unique to our set-up was the method in which the various magnetization directions were …