Faraday effect measurements of holmium oxide (Ho2O3) ceramics-based magneto-optical materials

David Vojna; Ryo Yasuhara; Hiroaki Furuse; Ondrej Slezak; Simon Hutchinson; Antonio Lucianetti; Tomas Mocek; Miroslav Cech

doi:10.1017/hpl.2017.37

Journals >High Power Laser Science and Engineering >Volume 6 >Issue 1 >Page 010000e2 > Article

High Power Laser Science and Engineering
Vol. 6, Issue 1, 010000e2 (2018)

Faraday effect measurements of holmium oxide (Ho₂O₃) ceramics-based magneto-optical materials

David Vojna^1、4、†, Ryo Yasuhara², Hiroaki Furuse³, Ondrej Slezak¹, Simon Hutchinson¹, Antonio Lucianetti¹, Tomas Mocek¹, and Miroslav Cech⁴

Author Affiliations

¹HiLASE Centre, Institute of Physics, Czech Academy of Sciences, Za Radnici 828, Dolni Brezany 252 41, Czech Republic

²National Institute for Fusion Science, National Institutes of Natural Sciences, 322-6, Oroshi-cho, Toki, Gifu 509-5292, Japan

³Kitami Institute of Technology, 165 Koen-cho, Kitami, Hokkaido, Japan

⁴Department of Physical Electronics, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Brehova 7, Prague 115 19, Czech Republic

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DOI: 10.1017/hpl.2017.37 Cite this Article Set citation alerts

David Vojna, Ryo Yasuhara, Hiroaki Furuse, Ondrej Slezak, Simon Hutchinson, Antonio Lucianetti, Tomas Mocek, Miroslav Cech. Faraday effect measurements of holmium oxide (Ho₂O₃) ceramics-based magneto-optical materials[J]. High Power Laser Science and Engineering, 2018, 6(1): 010000e2 Copy Citation Text

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Fig. 1. Simplified scheme of the experimental setup for laser measurement of the Verdet constant temperature dependence.

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Fig. 2. An example of measured data gathered for one temperature step (at 300 K).

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Fig. 3. Experimental results for laser measurement of the Verdet constant temperature dependence of Ho₂O₃ ceramics.

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Fig. 4. Simplified scheme of the experimental setup used for measurement of the Verdet constant dispersion.

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Fig. 5. The experimental results obtained for the Verdet constant dispersion of Ho₂O₃ ceramics-based magneto-optical materials.

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	Ho₂O₃	TGG
$L$ [mm]	$0.47\pm 0.01$	$4.09\pm 0.01$
$B_{\text{eff}}$ [T]	$1.20\pm 0.06$	$1.19\pm 0.06$
$G~\left[{\displaystyle \frac{\text{radK}}{\text{Tm}}}\right]$	$14\,835\pm 395$	$13\,558\pm 147$
$H~\left[{\displaystyle \frac{\text{rad}}{\text{Tm}}}\right]$	$-2.01\pm 2.10$	$-2.01\pm 1.00$
$T_{c}$ [K]	$-16.01\pm 0.83$	$-7.46\pm 0.25$

Table 1. Material parameters and the fitted parameters.

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	Ho₂O₃	Tb:Ho₂O₃	Ce:Ho₂O₃
Doping level	Nondoped	0.2 at. %	0.1 at. %
$L$ [mm]	$0.47\pm 0.01$	$0.45\pm 0.01$	$0.48\pm 0.01$
$B_{\text{eff}}$ [T]	$1.20\pm 0.06$	$1.20\pm 0.06$	$1.20\pm 0.06$