A detailed description of the operation of each component that makes up a double-pulsed, ruby-laser, holographic interferometer is presented. Some results obtained from the dynamic measurement of three-dimensional surface deformation related to fracture initiation and propagation in 6061 aluminum are reported.
NASA STI/Recon Technical Report N
- Pub Date:
- October 1976
- Ruby Lasers;
- Systems Engineering;
- Instrumentation and Photography