Improvements on Faraday Rotation Wavelength and Temperature Characteristics of TbYbBiIG Bulk Crystals in 1550 nm Band

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概要

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• This paper is concerned with the preparation and magneto-optical characterization of the Bi, Tb, and Yb partially substituted rare earth ferrite garnet bulk single crystals of Tb3-x-yYbyBixFe5O12. Here we focus our studies on improvements on the wavelength and temperature dependences of Faraday rotation (FR) by combining two types of bismuth substituted ferrite garnets with opposite FR wavelength coefficient (FWC) and FR temperature coefficient (FTC) signs. The FR and optical absorption spectra were measured and discussed in 1550 nm band. The specific FR of Tb0.91Yb1.38Bi0.71Fe5O12 crystal under magnetic field at saturation was found to be about $-1617$°/cm at $\lambda =1550$ nm, $\mathrm{FWC} = 0.009$%/nm in the wavelength range of 1500–1620 nm and $\mathrm{FTC} = 3.92\times 10^{-5}$/K at $\lambda = 1550$ nm have been obtained due to the compensation effect, which are much smaller than that of YIG.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2008-06-25

著者

• Huang Min

  School of Computer and Computing Science, Zhejiang University City College, 51 Huzhou St., Hangzhou 310015, Peoples' Republic of China

• Ni Xiao

  Department of Basic Science, Zhejiang Shuren University, 8 Shuren Rd., Hangzhou 310015, Peoples' Republic of China

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• Improvements on Faraday Rotation Wavelength and Temperature Characteristics of TbYbBiIG Bulk Crystals in 1550 nm Band

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