Speckle sensor
A 3-D miniaturized speckle sensor is designed for noncontact measurement of full-field deformations and strains with a sensitivity in the submicron range. The camera head measures 8 ¥ 8 ¥ 12 cm and weighs 2.5 kg. The sensor can be attached to universal testing machines, test benches, or components. Analysis software program ISTRA for Windows offers different graphic displays of results.
Dr. Ettemeyer GmbH & Co., Neu-Ulm, Germany