Blackburn, C.
, Sawyer, D.
and Shakarji, C.
(2014),
Common-Path Method for Laser Tracker Ranging Calibration, Journal of the CMSC
(Accessed April 2, 2025)
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Common-Path Method for Laser Tracker Ranging Calibration
Published
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Abstract
We present an alternative to the back-to-back method of testing laser tracker ranging systems. Our approach uses a common air path for both the measurement and reference laser beams. This technique allows for more accurate determination of the reference length by greatly reducing the dead-path for the reference length. Accuracy is also improved because of the use of a single optic: this eliminates error sources due to offsets between the front- and rear-facing optics used in the back-to-back method. Furthermore, the technique simplifies the execution of the ranging test by allowing for a novel alignment procedure that is also presented.Citation
Journal of the CMSC
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Journals
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Created March 31, 2014, Updated February 19, 2017