Parameter Modeling Analysis and Experimental Verification on Magnetic Shielding Cylinder of All-Optical Atomic Spin Magnetometer

Table 1

The commonly used magnetic materials and their relative permeability.

Magnetic material	Relative permeability
Cast iron	200~400
Silicon steel sheet	7000~10000
Ni-Zn ferrite	10~1000
Mn-Zn ferrite	300~50000
Permalloy	2 × 10^4~2 × 10^5