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Linear transmission curves of different SWCNT-SAs measured under normal incidence with Fresnel-loss correction.
(a) SEM image of SWCNTs sprayed on a quartz substrate and (b) photographs of the transmitting (left) and reflecting (right) SWCNT-SAs fabricated by spin-coating.
Nonlinear reflection of (a) a SWCNT-SAM and (b) nonlinear single-pass transmission of a transmitting SWCNT SA vs. pump pulse fluence near . Solid lines denote the fit curves, dashed lines indicate saturated and unsaturated values, and dotted lines the saturation fluence.
Nonlinear response of (a) a reflecting and (b) a transmitting SWCNT-SA near . The solid lines denote biexponential fits. Pump fluence was set to . denotes the primary slow time constant of the response as determined in the fitting procedure.
Autocorrelation trace with the fit-curve (solid line) assuming -pulse shape and the corresponding optical spectrum (inset) of a diode-pumped SWCNT-SA mode-locked solid-state laser.
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