Faraday rotation measurement with photorefractive Bi12TiO20: comment |
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| Authors: | Eugenio Garbusi,José A. Ferrari |
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| Affiliation: | Instituto de F?́sica, Facultad de Ingenier?́a, Julio Herrera y Reissig 565, CP Montevideo Uruguay |
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| Abstract: | In a recent paper (Opt. Laser Technol. 34 (2002) 605) Anand and Narayanamurthy described a method for measurement of Faraday rotations using a photorefractive Bi12TiO20. The effects they observed have nothing to do with the source intensity nor with the photorefractive nature of the crystal. The same effect could be obtained without the use of a photorefractive crystal by simple rotation of the analyzer. |
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| Keywords: | Photorefractive crystals Faraday rotation Specific rotation Optical activity |
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