Fig. 2

CB and SB interferogram and combs. (a) The interferogram obtained from the CB system in blue and the SB system in red, with (b) the zoomed in section showing the transition between chirped pulses. (c) The comb spectrum, with (d) the first-order comb lines and (e) the second-order comb lines. The corresponding SB data containing only frequency doubled comb lines is shown in red and offset for clarity.