Abstract
Nonlinear microscopy through flexible fiber-optic catheters has potential in clinical diagnostic applications. Here, we demonstrate a new approach based on wavelength-swept narrowband pulses that permits simple fiber-optic delivery without need of the dispersion management and allows nonmechanical beam scanning. Using pulses rapidly tuned from at a sweep rate of , we demonstrate two-photon fluorescence and second-harmonic generation imaging through a -long standard single-mode fiber.
© 2010 Optical Society of America
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