Weak-Measurement MOKE

Single-shot Kerr & ellipticity

A weak measurement scheme obtains Kerr rotation and ellipticity simultaneously in one process with 10⁻⁴ deg precision.

Li, Tong · Yunhan, Wang · Yinghang, Jiang · Zhang, Sijie · Luo, Lan · Zhang, Zhiyou

Applied Physics Letters 2024

Advantages

Precision of 10⁻⁴ deg for both Kerr rotation angle and ellipticity

Simultaneous measurement of Kerr rotation angle and ellipticity

Determining the complex magneto-optical constant Q