Concept information
优选词，正式主题词
ISO/TR 21254-4:2011
定义
- ISO/TR 21254-4:2011 describes selected techniques for the inspection of optical surfaces prior to and after damage testing, and damage detection techniques integrated in detection facilities. The described damage detection methods are examples of practical solutions tested and often applied in detection facilities. Also, this direct information on the state of damage can be processed in the course of the running test to determine energy levels for the following interrogations optimised to minimise detection uncertainties. This inspection of the interrogated sites is essential for an accurate determination of the damage thresholds because it is the final and most sensitive assessment of the state of damage.
URI
https://vocabs.sshopencloud.eu/vocabularies/standard/iso-tr-21254-4-2011
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