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题目：Optical Cavities and Their Applications in Precision Measurements

时间：2018年8月6日早上9:00

地点：格致楼3016

报告人简介：

Suwen Wang is currently a professor at the Hainan Tropical Ocean University and Stanford University. He is also a member of Codar Ocean Sensors where ocean current and wave monitoring systems are developed. In his spare time, he conducts research at Stanford University relating to gravitational physics in space. From 1992 to 2007, he held a research position at Stanford University. He engaged in research activities in fundamental physics in space including Gravity Probe B, a test of theory of general relativity by measuring geodetic and frame dragging effects, STEP, a satellite test of the equivalence principle, CHEX, a space shuttle based microgravity experiment for confined superfluid helium, SUMO, an ISS based microwave clock experiment and LISA related projects. His recent activities include publishing the results of star tracker telescope of GP-B as well as pK level temperature measurement with optical cavities. He is a member of Taiji consortium which aims to measure gravity waves in space.

报告摘要：

Fabry-Perot interferometry was developed in 1899 with initial applications in precision spectroscopy and minute length change measurements. With steady advancements in technology including laser, coating and electronics, the optical cavities have been used in various precision measurement devices. We describe some of the recent advances in these areas, including precision length, temperature, timing and spectroscopy measurements.