Effect of Size on the Saturable Absorption and Reverse Saturable Absorption in Silver Nanoparticle and Ultrafast Dynamics at 400 nm

Table 1

The NLO and decay time characteristics of chemically prepared Ag NPs in deionized water.

Sample	Particle size (nm)	Nonlinear absorption					Time constant
		400 nm			800 nm		400 nm (high concentration)
		High concentration	Low concentration		Low concentration
		(10^10 W cm^-2)	(10^11 W cm^-2)	(10^-10 cm W^-1)	(10^10 W cm^-2)	(10^-11 cm W^-1)	(fs)	(ps)	(ps)	(THz)
S1	37					—				181
S3	25					—				198
S5	38					—				166
S7	25					—				200
S9	30								—	—
S11	37								—	—