Holographic spatiotemporal lens

Kouhei Kimura; Satoshi Hasegawa; Yoshio Hayasaki

doi:10.1117/12.874329

11 February 2011 Holographic spatiotemporal lens

Kouhei Kimura, Satoshi Hasegawa, Yoshio Hayasaki

Proceedings Volume 7925, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI; 792508 (2011) https://doi.org/10.1117/12.874329
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

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.

Citation Download Citation

Kouhei Kimura, Satoshi Hasegawa, and Yoshio Hayasaki "Holographic spatiotemporal lens", Proc. SPIE 7925, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XI, 792508 (11 February 2011); https://doi.org/10.1117/12.874329

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