浜松ホトニクスは、長年培ってきた独自の真空技術や成膜技術により、極微弱の磁気を計測できる超伝導量子干渉素子（Superconducting Quantum Interference Device、以下SQUID）と同等の超高感度ながら、液体ヘリウムで冷却する必要のない長寿命の光ポンピング磁気センサ（Optically Pumped Magnetometer、以下OPM）モジュールを開発しました。
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