| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2009: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
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| Research Abstract |
When a circularly-polarized laser beam and magnetic field are applied to an alkali metal atom, the electron performs precession. This optical pumping atomic magnetometer can detect a magnetic field in very high sensitivity as a change of the polarization. Because the conventional magnetometer was a vacuum device with the blown glass, it was unsuitable for miniaturization. We developed the apparatus which performed vapor deposition of potassium through a mask, glass conveyance, the anodic bonding the silicon and the glass in vacuum. We finally produced 5x5 cell array whose hole diameter is 700μm and 500μm in depth.
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