It is assumed that basic concepts of OPC UA information modelling and OPC 40501-1 and OPC 40001-1 are understood in this specification. This specification will use these concepts to describe the OPC UA for Laser Systems Information Model. For the purposes of this document, the terms and definitions given in in OPC 10000-1, OPC 10000-3, OPC 10000-4, OPC 10000-5, OPC 10000-7, OPC 10000-8, OPC 10000-9, OPC 10000-16, OPC 10000-100. OPC 40001-1 and OPC 40501-1 as well as the following apply.

Note that OPC UA terms and terms defined in this specification are italicized in the specification.