High Verdet constant Faraday rotator glasses

Yasi Jiang; Michael J. Myers; Daniel L. Rhonehouse

doi:10.1117/12.138933

11 January 1993 High Verdet constant Faraday rotator glasses

Yasi Jiang, Michael J. Myers, Daniel L. Rhonehouse

Proceedings Volume 1761, Damage to Space Optics, and Properties and Characteristics of Optical Glass; (1993) https://doi.org/10.1117/12.138933
Event: San Diego '92, 1992, San Diego, CA, United States

Abstract

Faraday rotator glasses with high Verdet constants are used for optical isolators and sensors. Based on the Tb₂O₃ -B₂O₃-Al₂O₃- SiO₂ system and the effect of each component on glass formation, glass compositions were selected for development of new Faraday rotator glasses. Devitrification of Tb-glass was studied by microscopic morphology to establish the production process. Dispersion of Verdet constant and the influence of Tb³⁺ concentration on Verdet constant were investigated. Special technology was utilized for production of platinum-free glass. The quenching process is necessary to obtain crystal-free glass. Three kinds of Faraday rotator glass with higher Verdet constant than that of M16 have been developed. The higher Verdet constant glass is possible to obtain.

Citation Download Citation

Yasi Jiang, Michael J. Myers, and Daniel L. Rhonehouse "High Verdet constant Faraday rotator glasses", Proc. SPIE 1761, Damage to Space Optics, and Properties and Characteristics of Optical Glass, (11 January 1993); https://doi.org/10.1117/12.138933

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