Design and Testing of a Compact Optical Angle Sensor for Pitch Deviation Measurement of a Scale Grating with a Small Angle of Diffraction. - Lue Quan; Yuki Shimizu; Ryo Sato; Dong Wook Shin; Hiraku Matsukuma; Andreas Archenti; Wei Gao 027 (Int. J. Autom. Technol., 2022)

Self-Calibration of a Large-Scale Variable-Line-Spacing Grating for an Absolute Optical Encoder by Differencing Spatially Shifted Phase Maps from a Fizeau Interferometer. - Xin Xiong; Chenguang Yin; Lue Quan; Ryo Sato; Hiraku Matsukuma; Yuki Shimizu; Hideaki Tamiya; Wei Gao 027 (Sensors, 2022)

On-Machine Calibration of Pitch Deviations of a Linear Scale Grating by Using a Differential Angle Sensor. - Jiucheng Wu; Yifan Hong; Dong Wook Shin; Ryo Sato; Lue Quan; Hiraku Matsukuma; Wei Gao 027 (Int. J. Autom. Technol., 2024)