1 October 1991 Graduating rules checking up by laser interferometry
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Abstract
Graduating rules used as length etalons in optical measuring instruments and tools need to be checked for graduation accuracy. The best way to perform this is by using a laser interferometer as a linear displacement transducer, some specially designed optoelectronic interfaces, and a computer for control and data processing. Implementation of measuring equipment consisting of these assemblies is described below.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Nicolae Miron, Dan G. Sporea, "Graduating rules checking up by laser interferometry", Proc. SPIE 1500, Innovative Optics and Phase Conjugate Optics, (1 October 1991); doi: 10.1117/12.46855; https://doi.org/10.1117/12.46855
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