Shearography / ESPI Systems Shearog­ra­phy and elec­tron­ic speck­le pat­ter inter­fer­om­e­try (ESPI) are laser based, opti­cal mea­sure­ment meth­ods, work­ing full field and non contact. The Shearog­ra­phy sys­tems are applied for non destruc­tive test­ing, but also for vibra­tion, defor­ma­tion and strain…Read more isi-sys Homepage ›