Fig. 2: The rotation angle as function of time and the measured pulse duration.
From: Direct space–time manipulation mechanism for spatio-temporal coupling of ultrafast light field

a The measured and calculated rotation angle of the output pulse intensity as a function of time by red dots for the measured and blue dots for calculated results with the red and blue lines for the corresponding linear fitting, respectively. b The temporal profile of the femtosecond pulse from the 1030 nm fiber laser measured by an autocorrelator.