Measurement system and method

A measurement system for and method of measuring thicknesses of coatings as applied to objects and a coating system and method for. coating objects, in particular three-dimensional objects, with coatings, in particular thermal barrier coatings (TBCs), and a monitoring system for and method of monitoring a state of a thermal barrier coating (TBC) as applied to an object which is exposed to a high-temperature environment, and a TBC for use with the same.