Optimization of power distribution of diffracted laser beams in multi-point laser doppler vibrometer

• Main Author: Chen, Guofei.
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Theses and Dissertations
• Language: English
• Published: 2013
• Subjects: DRNTU::Engineering::Mechanical engineering
• Online Access: http://hdl.handle.net/10356/54770
• Institution: Nanyang Technological University

Vibration measurement is important to high prec1s10n machining and structural health monitoring. Techniques for vibration measurement are classified in two categories: contact mode and · non-contact mode. Non-contact mode measurement, such as that using Laser Doppler vibrometer (LDV), is pr...