Measurement Error Analysis for Machine Tool Roll Error Measurement Due to Inclined Half Wave Plate[J]. 2013, 47(5): 99-103.
DOI:
Measurement Error Analysis for Machine Tool Roll Error Measurement Due to Inclined Half Wave Plate[J]. 2013, 47(5): 99-103.DOI: 10.7652/xjtuxb201305018.
Measurement Error Analysis for Machine Tool Roll Error Measurement Due to Inclined Half Wave Plate
To evaluate the influence of motion error of machine tool
such as pitch and yaw
on the roll error measurement
a mathematical model was established
then the conversion process of the lasers through the measurement system was calculated by Jones matrix method and measurement formula between the phase and the roll error was ultimately derived. The measurement error caused by angular motion error of the sensitive component
ie the half wave plate
was analyzed theoretically following polarization and crystal optics theory. Results show that the measurement error gets less than 0.1% which illustrates the feasibility of the method for roll error measurement by orthogonally polarized lasers.
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