Holographic spatiotemporal lens

Details Holographic spatiotemporal lens Holographic spatiotemporal lens

Feb 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spie.7925e...7k&link_type=abstract

Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI. Edited by Heisterkamp, Alexander; Neev,

Physics

Optics

Scientific paper

We propose a holographic spatiotemporal lens to improve spatial resolution of two-photon excitation spot as a new focusing technique of femtosecond laser pulse. Femtosecond laser pulses dispersed by a diffraction grating are irradiated to a chirped diffractive lens displayed on a spatial light modulator. The chirped diffractive lens has a spatially chirp of focal length for a design for its corresponding wavelength. The shortest pulse was experimentally obtained only at the focal plane. The pulse duration was also supported with a computer simulation.

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