Schematic layout of the transient femtosecond TRCD spectrometer.
Typical spectral intensity of circularly polarized WL generated with seed at 775 nm, as detected by the CCD camera attached to the spectrometer. The inset shows the temporal chirp of the WL probing pulse.
Polarization ratio of a WL generated with circular polarized input pulses. The points with error bars present the values when the circular polarization is analyzed using zero-order quarter wave plates at 351, 488, 532, 632, 760, and 790 nm. The line between points is used only for visual guidance.
(a) HV switch schematic diagram and (b) timing diagram.
Steady-state absorption (upper panel) and CD spectra (lower panel) of merocyanine helical nanorods in solution, measured by commercial UV-VIS and CD spectrophotometers, respectively. The inset shows the chemical structure of the merocyanine dye monomer.
Excited state absorption spectra of merocyanine nanorod aggregates in MCH/THF solution. The corresponding time delays are shown in the legend.
Time-resolved CD spectra at various time delays of merocyanine helical aggregates in MCH/THF.
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