Affiliation:
1. Institute of Applied Laser, College of Mechanical Engineering, Sichuan University, Chengdu 610065, China
Abstract
In order to increase more greatly the measurement accuracy for the laser tracking system in measuring the moving body, a laser beat-wave interferometry method is approached based on the absolute measuring distance. The He – Ne laser with the two hot steady frequency modes is used as the light source for the laser tracking system. The light source developed by us not only has the advantages of steady frequency, high precision and strongly anti-interference capability, but also it mainly has the same character in the shoot stability degrees and laser frequency stability degrees. By using the laser beat-wave interferometry method, we can realize the absolute distance measurement of the moving body, and the laser tracking system has very high measurement precision, fast tracking speed and anti-interference capability.
Publisher
World Scientific Pub Co Pte Lt
Subject
Condensed Matter Physics,Statistical and Nonlinear Physics