Chinese Optics Letters, 2008, 6 (3): 03195, Published Online: Mar. 27, 2008
Measurement of the magnetic field-dependent refractive index of magnetic fluids in bulk 
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光纤 传感器 磁光材料 折射率测量 290.3030 Index measurements 160.3820 Magneto-optical materials 060.2370 Fiber optics sensors
Abstract
An optical alignment-free and highly accurate method is employed to measure the magnetic field-dependent refractive index of magnetic fluid (MF) in bulk. The measured refractive index decreases significantly with the increasing magnetic strength and then tends to saturate in the high intensity range. By applying a tunable magnetic field ranging between 0 and 1661 Oe, the maximum shift of the refractive index of MF in bulk is found to be 0.0231.
Ting Liu, Xianfeng Chen, Ziyun Di, Junfeng Zhang, Xinwan Li, Jianping Chen. Measurement of the magnetic field-dependent refractive index of magnetic fluids in bulk[J]. Chinese Optics Letters, 2008, 6(3): 03195.
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