期刊
IEEE JOURNAL OF QUANTUM ELECTRONICS
卷 55, 期 5, 页码 -出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JQE.2019.2937156
关键词
Ceramics; magnetic materials; magneto optic effects; Faraday effect
资金
- NSFC-RFBR Cooperative Research Projects [6181101304, 19-52-53014]
- Russian Science Foundation [18-72-00193]
- Key Research Project of the Frontier Science of the Chinese Academy of Sciences [QYZDB-SSW-JSC022]
- Russian Science Foundation [18-72-00193] Funding Source: Russian Science Foundation
Samples of TAG ceramics doped with Ce and Pr ions (0, 0.5, 1, 1.5, 2 at.% concentrations) and with Ho ions (0.5 at.%) were studied. The wavelength dependence of the Verdet constant of each sample in the 405 nm - 1064 nm range was measured, and analytical approximation was found. The obtained value of the Verdet constant of the studied TAG ceramics did not depend on the dopant concentration and type in the studied range of concentrations. The dependence of thermally induced depolarization on laser radiation power was investigated, and the magneto - optical figure of merit was estimated for each studied sample. It was demonstrated that doping of ceramics can provide a substantial reduction of the magneto-optical figure of merit. The obtained results will be useful for creating Faraday isolators and rotators based on TAG ceramics.
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