Wavefront shaping for ultrashort pulse delivery through optical fibers for imaging and ablation

Eirini Kakkava; Donald B. Conkey; Nicolino Stasio; Damien Loterie; Christophe Moser; Demetri Psaltis

doi:10.1117/12.2289499

23 February 2018 Wavefront shaping for ultrashort pulse delivery through optical fibers for imaging and ablation

Eirini Kakkava, Donald B. Conkey, Nicolino Stasio, Damien Loterie, Christophe Moser, Demetri Psaltis

Proceedings Volume 10502, Adaptive Optics and Wavefront Control for Biological Systems IV; 105021B (2018) https://doi.org/10.1117/12.2289499
Event: SPIE BiOS, 2018, San Francisco, California, United States

Abstract

We demonstrate high power ultrashort pulse delivery through a commercially available multicore fiber (MCF) and a multimode graded-index fiber (GRINF) for imaging and laser ablation. Lensless focusing and digital scanning of ultrashort pulses through the optical fibers is realized using wavefront shaping. We compare the performance of the two systems in terms of focusing efficiency and peak power delivery. Furthermore, we investigate the limitations that nonlinearities induce when high peak power ultrashort pulses are launched in MCFs and GRIN fibers. Proximally-only controlled two-photon fluorescence imaging and laser ablation are demonstrated through both investigated systems.

Citation Download Citation

Eirini Kakkava, Donald B. Conkey, Nicolino Stasio, Damien Loterie, Christophe Moser, and Demetri Psaltis "Wavefront shaping for ultrashort pulse delivery through optical fibers for imaging and ablation", Proc. SPIE 10502, Adaptive Optics and Wavefront Control for Biological Systems IV, 105021B (23 February 2018); https://doi.org/10.1117/12.2289499

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KEYWORDS

Laser ablation

GRIN lenses

Optical fibers

Ultrafast phenomena

Wavefronts

Fiber lasers

Optical imaging

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