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Input files
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Isolator.MIN, Isolator.PIN, Isolator.SCR,permag_koer.CFG
Download PMSolenoid.zip
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Description
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Checking values reported in the paper Simple, compact, high-performance permanent-magnet Faraday isolator by D.J. Gauthier, P. Narum, and R.W. Boyd, Optics Letters, 11, 623 (1986). The goal is to design a permanent magnet solenoid that provides high field strength and uniformity of the integral of Bz over an optical rod. The example also demonstrates a custom analysis configuration for the PerMag program.
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Results
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Absolute values of the calculated magnetic field are in good agreement with the paper. The integrals of Bz at the center and outer radius of the optical rod differ by only 5.4%.
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Comments
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The Gauthier/Narum/Boyd reference is included in the download file.
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