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Assessing Ranging Errors as a Function of Azimuth in Laser Trackers and Tracers

Published

Author(s)

Balasubramanian Muralikrishnan, Vincent D. Lee, Christopher J. Blackburn, Daniel S. Sawyer, Steven D. Phillips, Wei Ren, Ben Hughes

Abstract

Tilt and radial error motion of a laser tracker head as it spins about the two axes results in small but measurable ranging and angle errors. The laser tracer, on the other hand, measures range with respect to the center of a high quality stationary sphere. It is therefore not expected to be influenced by the error motions of the carriage that carries the optics and the source, but the form error of the reference sphere, although extremely small, will be a contributor to the ranging errors. In this paper, we describe experiments to assess the magnitude of these ranging errors as a function of the horizontal angle in different laser trackers and a laser tracer.
Citation
Measurement Science & Technology
Volume
24
Issue
6

Keywords

laser tracer, laser tracker, radial error, ranging error, wobble

Citation

Muralikrishnan, B. , Lee, V. , Blackburn, C. , Sawyer, D. , Phillips, S. , Ren, W. and Hughes, B. (2013), Assessing Ranging Errors as a Function of Azimuth in Laser Trackers and Tracers, Measurement Science & Technology (Accessed May 28, 2024)

Issues

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Created April 18, 2013, Updated February 19, 2017