{"id":3172,"date":"2026-06-24T16:13:03","date_gmt":"2026-06-24T14:13:03","guid":{"rendered":"https:\/\/www.technical-center.de\/wiki\/optical-measurement-methods\/"},"modified":"2026-06-24T16:13:03","modified_gmt":"2026-06-24T14:13:03","slug":"optical-measurement-methods","status":"publish","type":"encyclopedia","link":"https:\/\/www.technical-center.de\/en\/glossary\/optical-measurement-methods\/","title":{"rendered":"Optical Measurement Methods"},"content":{"rendered":"<div class=\"glossar-eintrag\">\n<p><strong>Definition:<\/strong> Optical measurement methods are non-contact measurement techniques for capturing the geometric, topographic or deformation properties of a workpiece. They use light as the carrier of information, e.g. lasers, white light or camera systems. The aim is precise and rapid data acquisition without mechanical contact.<\/p>\n<p><strong>Practical relevance:<\/strong> The methods include 3D laser scanning, fringe projection, white-light interferometry and digital image correlation (DIC). They are suitable for sensitive surfaces, complex free-form geometries and dynamic measurement tasks. Dimensional deviations, surface parameters or strains are evaluated. Influencing factors are surface reflection, <a class=\"tc-inlink\" href=\"\/en\/calibration-metrology\/\">calibration<\/a> and ambient conditions.<\/p>\n<p><strong>Decision-making perspectives:<\/strong><\/p>\n<ul>\n<li><strong>Technical decision-makers:<\/strong> Selection of suitable systems for rapid inline or laboratory testing.<\/li>\n<li><strong>Purchasing\/project management:<\/strong> Assessment of investment costs, accuracy and integration capability.<\/li>\n<li><strong>Science:<\/strong> Analysis of measurement uncertainties and comparison with tactile methods.<\/li>\n<li><strong>Insurance\/law:<\/strong> Documented geometry verification without component damage.<\/li>\n<\/ul>\n<p><strong>Typical testing or verification methods:<\/strong> 3D scan, fringe projection, white-light interferometry, digital image correlation.<\/p>\n<p><strong>FAQ:<\/strong><\/p>\n<ul>\n<li>When are optical measurement methods advantageous?<\/li>\n<li>With sensitive surfaces, complex geometries or when rapid, non-contact measurement is required.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"author":0,"featured_media":0,"template":"","encyclopedia-tag":[],"class_list":["post-3172","encyclopedia","type-encyclopedia","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia\/3172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"wp:attachment":[{"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/media?parent=3172"}],"wp:term":[{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.technical-center.de\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=3172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}