Figure 3

High-speed photoelastic testing system. (a) Pulsed-laser light source, portable loading machine, polarizer, wave plate and high-speed camera; (b) display and control systems of the high-speed camera and portable loading machine
High-speed photoelastic testing system. (a) Pulsed-laser light source, portable loading machine, polarizer, wave plate and high-speed camera; (b) display and control systems of the high-speed camera and portable loading machine