Fig. 1. Optical layout of the proposed AR-TG-SRSI. FH1 and FH2, plate with four equal-size holes; a, L-shaped metal-coated plane mirror; b, uncoated parallel mirror with fixed time-delay; SM, metal-coated mirror with a 3 mm diameter hole; CM1 and CM2, concave lens,
Fig. 2. (a) Sketch of the AR-TG-SRSI. (b) The schematic diagram. Size:
Fig. 4. (a), (d) Spectral intensity of the unknown input pulses (blue dash-dotted curve), the TG reference pulses (red solid curve), and the interference between them (black solid curve). (b), (e) Measured spectra of the unknown pulses (black solid curve), retrieved spectra of the unknown pulses (red dash-dotted curve, and retrieved spectral phases (orange solid curve). (c), (f) Retrieved temporal profile (red solid curve) and retrieved temporal phase (orange dash-dotted curve) of the unknown pulses.