%0 Book Section %T Self-calibrated four-axis high-precision polarimeter publisher OSA Publishing %D 2019 %U 978-1-943580-63-7 %@ https://hdl.handle.net/20.500.14352/14049 %X We present a new method for calibrating a 4 stepper-motors polarimeter. This method does not require perfect polarizing elements or well-known samples. Experimental results have been obtained with errors lower than 0.1%. %~