Review of magneto-optic materials for high power laser isolators （Invited）

Jie Chen; Shengming Zhou

doi:10.3788/IRLA20201072

Journals >Infrared and Laser Engineering >Volume 49 >Issue 12 >Page 20201072 > Article

Infrared and Laser Engineering
Vol. 49, Issue 12, 20201072 (2020)

Review of magneto-optic materials for high power laser isolators （Invited）

Jie Chen¹ and Shengming Zhou²

Author Affiliations

¹Laboratory of Micro-Nano Optoelectronic Materials and Devices, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

²Laboratory of Micro-Nano Optoelectronic Materials and Devices, Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.3788/IRLA20201072 Cite this Article

Jie Chen, Shengming Zhou. Review of magneto-optic materials for high power laser isolators （Invited）[J]. Infrared and Laser Engineering, 2020, 49(12): 20201072 Copy Citation Text

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MO materials	V/rad·T⁻¹·m⁻¹@632 nm	κ/W·m⁻¹·K⁻¹	α/cm⁻¹@1070 nm	M/rad·W·(T·m)⁻¹@1070 nm
M24-Tb glass	88.2^[5]	0.68^[32]	2×10⁻³^[32]	1×10⁸^[33]
TGG crystal[001]	138.2^[34]	4.2^[35]	1×10⁻³^[33]	11×10⁸^[33]
TSAG crystal	165.8^[33]	3.6^[33]	−	−
Tb₂O₃ ceramic	447.5^[9]	−	2.9×10⁻³^[36]	−
TGG ceramic	139.6^[37]	4.9^[38]	1.4×10⁻³^[38]	4.4×10⁸^[38]
TAG ceramic	173^[8]	5^[35]	1.5×10⁻³^[21]	8.4×10⁸^[39-40]

Table 1.

Comparison of Verdet constant(V), thermal conductivity(κ), absorption coefficient(α), and magneto-optic figure of merit(M) of several high power MO candidates at room temperature

室温下几种高功率磁光材料费尔德常数V，热导率κ，吸收系数α，及磁光品质因子M比较

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MO materials	Doping concentration	V/rad·T⁻¹·m⁻¹@632 nm	α/cm⁻¹@1070 nm	M/rad·W·(T·m)⁻¹@1070 nm
Ce:TAG	0.5 at%	199^[16]	3.7×10⁻³^[39]	6.43×10⁸^[46]
Si:TAG	0.2 at%	192^[46]	−	6.8×10⁸^[46]
Ti:TAG	0.3 at%	192^[46]	−	0.97×10⁸^[46]
Tm:TAG	0.16 at%	189.5	−	−
Ho/Pr:TAG	0.5/1 at%	183/187^[51-53]	−	~0.17×10⁸^[47]
Y:TAG	0-50 at%	91-194^[14]	<1×10⁻³^[14]	−
Zr:TAG	0.1 wt%	173^[18]	−	0.99×10⁸

Table 2.

Effects of several ions doping on the Verdet constant(V), absorption coefficient(α), and magneto-optic quality factor (M) of TAG ceramics

几种离子掺杂对TAG陶瓷费尔德常数V，吸收系数α，及磁光品质因子M影响

Jie Chen, Shengming Zhou. Review of magneto-optic materials for high power laser isolators （Invited）[J]. Infrared and Laser Engineering, 2020, 49(12): 20201072

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