Magnetoencephalography based on the atomic magnetometers

2017 Fiscal Year Final Research Report

• Project/Area Number: 16K20907
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Atomic/Molecular/Quantum electronics; Brain biometrics
• Research Institution: Tohoku University
• Principal Investigator: Inoue Takeshi 東北大学, 学際科学フロンティア研究所, 助教 (80637009)
• Project Period (FY): 2016-04-01 – 2018-03-31
• Keywords: 原子磁力計 / 生体磁気計測

Outline of Final Research Achievements

The atomic magnetometer was developed toward magnetoencephalography (MEG). The operation cost of the atomic magnetometer is lower than the SQUID which is used as the magnetometer for the MEG. The operation conditions of the atomic magnetometer, such as the laser light power and the width of the frequency modulation of the laser light, were optimized. The field sensitivity on the order of 10 pT/√Hz was achieved. We measured the please magnetic field whose magnitude was about 300 pT and confirmed the magnetometer operation. In this study, we laid the groundwork of the atomic magnetometer toward the magnetoencephalography.

Free Research Field

原子核物理学