Laser confocal auto-collimation decentration measurement for spherical lens
Sign Up to like & getrecommendations! Published in 2020 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/ab8eea
Abstract: A high-precision confocal auto-collimation decentration measurement method (CADM) for spherical lens is proposed. In comparison with the traditional auto-collimation method, this method employs confocal technology to accurately locate the center of the tested lens, which… read more here.
Keywords: auto collimation; decentration measurement;
Improved calibration method of a four-quadrant detector based on Bayesian theory in a laser auto-collimation measurement system.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.458872
Abstract: Reliable and accurate calibration for a four-quadrant detector (QD) is a prerequisite for high-accuracy laser auto-collimation measurements. However, the calibration accuracy is limited largely by the non-linearity of QD, especially for large-range detection. To address… read more here.
Keywords: calibration method; laser auto; calibration; based bayesian ... See more keywords