Brillouin light scattering observations of thermal modes in yttrium iron garnet films

来源 :International Conference Nonlinear Waves-Theory and Applicat | 被引量 : 0次 | 上传用户：standups_wu

【摘要】

：

　　We report on optical observations of a thermally excited band of modes above the dipolar spectrum limits detected in yttrium iron garnet (YIG) films of.diff

【作者】

：

TimoNeumann;ThomasSchneider;AlexanderA.Serha;BurkhardHillebrands;

【机构】

：

Fachbereich Phvsik,TU Kaiserslautern,67663 Kaiserslautern Germany

【出处】

：

International Conference Nonlinear Waves-Theory and Applicat

【发表日期】

：

2008年期

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　　We report on optical observations of a thermally excited band of modes above the dipolar spectrum limits detected in yttrium iron garnet (YIG) films of.different thicknesses.The modes were successfully amplified by means of longitudinal parametric pumping.Time-resolved investigations of the amplified signal revealed a self-oscillatory behavior.

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Brillouin light scattering observations of thermal modes in yttrium iron garnet films

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