supported by the National Natural Science Foundation of China(Grant No.61036016)
We present a novel precise angle measurement scheme based on parallel multiplex laser feedback interferometry (PLFI), which outputs two parallel laser beams and thus their displacement difference reflects the angle ...
supported by the Key Program of National Natural Science Foundation of China(Grant No.61036016)
Optical-phase-retardation elements are widely used in many fields.Accurate measurement of their phase retardation is crucial to the practical effect of the element's processing and application.The development and pres...
Project supported by the National Natural Science Foundation of China (Grant No. 61036016);the Scientific and Technological Achievements Transformation and Industrialization Project of the Beijing Municipal Education Commission, China
In this paper, we propose a semi-classical theory to successfully explain the polarization flipping in a single frequency laser. An experimental setup is built to verify this theory. The observed experimental phenomen...
supported by the National Natural Science Foundation of China (No. 61036016);the Scientific and Technological Achievements Transformation and Industrialization Project by the Beijing Municipal Education Commission
The polarization state is modulated by tilting birefringence component placed in the feedback external cavity.The variation of the polarization state in one period of modulation is found to be similar to sine wave.The...