仪器科学与电气工程学院庆祝建校七十周年系列报告
报告题目：Superconducting quantum interference device for precision metrology from
biomedical to fundamental science
报告人 ： Yong-Ho Lee
Principal Researcher & Professor
Korea Research Institute of Standards and Science
报告时间 ：2016年7月25日（周一）下午1:30
报告地点 ：地质宫330海光学术报告厅
主办单位 ：吉林大学仪器科学与电气工程学院
Abstract of the presentation：
Superconducting quantum interference device (SQUID) is asensitive magnetic
sensor with high sensitivity from near DC to GHz frequency range, and
SQUIDs have been used to various precision measurements. Since SQUID
can detect any physicalquantity which can be converted into magnetic flux,
such as magnetic moment, current, magnetic field, displacement, microwave
power, etc. Application examples of SQUIDs are quite diverse from medical
diagnosis to fundamental science. In medical science, measurements
of magnetic fields from brain or heart can provide accurate information for
the functional diagnoses of the brain or heart. And magnetic resonance
imaging at micro or milli tesla field strength is also possible using the
SQUID technology. In the fundamental physics, measurement of weak
microwave signals from axion radiation is underway.
