Real time simultaneous measurement by remote laser source of long range longitudinal displacement and small angle wobbling of a sliding target is demonstrated. The compact self-aligned laser-self-mixing interferometer achieves 0.8 µm axial resolution over 1 m linear and 17 µrad of pitch and yaw resolution over 2 mrad angular ranges, respectively.
A NEW THREE DEGREES-OF-FREEDOM MOTION SENSOR BASED ON LASER SELF-MIXING WITH PIGTAILED SOURCES
DABBICCO, Maurizio;SCAMARCIO, Gaetano
2011-01-01
Abstract
Real time simultaneous measurement by remote laser source of long range longitudinal displacement and small angle wobbling of a sliding target is demonstrated. The compact self-aligned laser-self-mixing interferometer achieves 0.8 µm axial resolution over 1 m linear and 17 µrad of pitch and yaw resolution over 2 mrad angular ranges, respectively.File in questo prodotto:
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