Thermally induced effects in a faraday isolator on terbium sesquioxide (Tb2O3) ceramics

被引：0

作者：

Snetkov, Ilya ^{[1
,3
]}

Starobor, Aleksey ^{[1
,3
]}

Palashov, Oleg ^{[1
,3
]}

Balabanov, Stanislav ^{[2
]}

Permin, Dmitry ^{[2
,3
]}

Rostokina, Elena ^{[2
]}

机构：

[1] Federal Research Center Institute of Applied Physics of the Russian Academy of Sciences, 46 Ulyanov St, Nizhny Novgorod,603950, Russia

[2] G.G. Devyatykh Institute of Chemistry of High-Purity Substances of the Russian Academy of Sciences, Tropinin St 49, Nizhny Novgorod,603951, Russia

[3] Lobachevsky State University of Nizhny Novgorod, 23 Gagarin Ave, Nizhny Novgorod,603950, Russia

来源：

Optical Materials | 2021年 / 120卷

基金：

俄罗斯科学基金会;

关键词：

Birefringence - High power lasers - Laser radiation - Terbium compounds;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A traditional Faraday isolator on terbium sesquioxide (Tb2O3) ceramics was implemented, and the experimental studies of its operation at high-power laser radiation were performed for the first time. The degree of cold depolarization at low laser power was γ = 1.7∙10−5. The considered Faraday isolator ensured the isolation ratio better than 30 dB up to an average power of laser radiation of 90 W. The focal length of the thermal lens was 1.16 m (1/F = 0.86 1/m) at 90 W average power and spot diameter of 1.3 mm. Estimates were made and the potential for a further increase of maximum admissible power Pmax of Faraday isolators on the Tb2O3 ceramics was analyzed. © 2021 Elsevier B.V.

引用

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