Yu V Filatov et al 1997 Metrologia 34 343 doi:10.1088/0026-1394/34/4/7
Yu V Filatov, D P Loukianov and R Probst
Show affiliationsA ring laser goniometer was investigated in different applications of precision angle measurement, such as the calibration of optical polygons and optical encoders, external angle measurement of rotating objects and inertial angle measurement by rotation of the goniometer itself. The results agree with standard methods of angle measurement to about 0,5 µrad (0,1 ). Further improvement in accuracy is expected mainly from the reduction of noise in the mechanical and electrical setup of the measurement system.
06.30.Bp Spatial dimensions (e.g., position, lengths, volume, angles, and displacements)
06.20.Dk Measurement and error theory
42.79.-e Optical elements, devices, and systems
42.60.Da Resonators, cavities, amplifiers, arrays, and rings
Issue 4 (1997)
Yu V Filatov et al 1997 Metrologia 34 343