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Fig. 13.10 Optical setup in the pump-probe method. Incident pump beam (λ = 800 nm, 130 fs,
and 1 kHz) is launched from laser light source (Spectra-Physics, Inc., Mai-tai and Spitfire with
BBO (β-BaB 2 O 4 ) crystal for second harmonic generation (SHG)) consisted of Ti: sapphire laser (λ
= 800 nm, 80 fs, 80 MHz, and above 15 nJ), regenerative amplifier [λ = 800, 130 fs, 1 kHz, and
above 4 mJ), and Nd: YLF (1 kHz, and 20 W)]. The transient transmission spectrum of SrTiO 3 was
measured to correct chirping of probe beam, and then the origin of time was revised at individual
wavelength
Fig. 13.11 Transient
transmission spectra of
a PDA NCFs and
b hybridized PDA NCFs
with lower coverage ratio of
deposited Au NPs
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