Chan Seok Kang

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We have designed and fabricated a uniaxial square- loop coil system to calibrate second-order SQUID gradiometers. The coil system consists of 2 pairs of identical square loops, the first pair which is Helmholtz coils for generation of uniform fields and the second pair for the 2nd-order gradient only in combination with the first pair. We obtained(More)
The gravimeter is highly demanded to improve the accuracy of a navigation system. So we designed and fabricated a relative gravimeter featuring a superconducting planar spring and the electromagnetic levitation. The advantages of a superconductor enable the device to be with exceptional stability and have the extremely low noise. The coupling spring with(More)
Magnetoencephalography (MEG) based on superconducting quantum interference devices enables the measurement of very weak magnetic fields (10-1000 fT) generated from the human or animal brain. In this article, we introduce a small MEG system that we developed specifically for use with rats. Our system has the following characteristics: (1) variable distance(More)
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