Magneto-optic pyrochlore ceramics of Tb2Hf2O7 for Faraday rotator | Zendy

Ryo Yasuhara | Zendy; Akio Ikesue | Zendy

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Magneto-optic pyrochlore ceramics of Tb₂Hf₂O₇ for Faraday rotator

Author(s) -

Ryo Yasuhara,

Akio Ikesue

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.007485

Subject(s) - verdet constant , faraday effect , terbium , materials science , optical isolator , ceramic , optics , gallium , transmittance , faraday rotator , wavelength , laser , optoelectronics , magnetic field , physics , metallurgy , luminescence , quantum mechanics

In the first demonstration of the Faraday effect in an optical-grade Tb 2 Hf 2 O 7 (THO) ceramic, its optical properties and the Verdet constant's wavelength dependence were evaluated at room temperature. The transmittance loss of this material was equally low as for the terbium gallium garnet, a well-known magneto-optic material. The Verdet constant at 1064 nm was 50.4 rad/Tm, which was 1.4 times greater than that of the terbium gallium garnet. THO ceramics show great potential for use in Faraday devices in near-infrared laser applications.

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