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Title: Laser Metrology
Author: C. W. Gillard, N. E. Buholz, C-C.Huang, R. H. Anderson
Source: 1983 Measurement Science Conference
Year Published: 1983
Abstract: This paper describes the results of research undertaken to develop a number of laser metering systems which, although not developed for general metrology applications, will no doubt become important in the science of measurement. Two of these systems will be highlighted: the first is a laser interferometer capable of making precision absolute distance measurements over extended ranges the second is a multi-channel interferometer/vibration sensor. Absolute distance interferometry is needed, and was developed, for the precision figuring of large structures the multi-channel interferometer/vibration sensor was developed to assist with the active (dynamic) control of the extended, lightweight structures being developed for space. Attractive potential uses of this new technology are apparent in many areas of science and industry. Examples include manufacturing, batch process control, machine control, materials research and testing, the control of robots, and the establishment of improved measurement standards.

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