Holographic femtosecond laser processing with sub-diffraction-limit focusing

Yoshio Hayasaki; Satoshi Hasegawa; Daisuke Barada; Yusuke Ogura; Jun Tanida

doi:10.1364/fio.2019.jw3a.10

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Holographic femtosecond laser processing with sub-diffraction-limit focusing

Yoshio Hayasaki Satoshi Hasegawa Daisuke Barada Yusuke Ogura Jun Tanida

Year: 2019 Journal: Frontiers in Optics + Laser Science APS/DLS Pages: JW3A.10-JW3A.10

DOI: 10.1364/fio.2019.jw3a.10

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Abstract

Femtosecond laser processing with sub-diffraction-limit focusing beyond the diffraction limit is demonstrated. It is realized with a computer-generated hologram designed by a proximity-complex amplitude optimization method.

Keywords:

Holography Optics Femtosecond Diffraction Ultrafast optics Laser Diffraction efficiency Laser beams Limit (mathematics) Materials science Optoelectronics Physics

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Laser-Matter Interactions and Applications

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Laser Material Processing Techniques

Physical Sciences → Engineering → Computational Mechanics

Nonlinear Optical Materials Studies

Physical Sciences → Engineering → Biomedical Engineering

Holographic femtosecond laser processing with sub-diffraction-limit focusing

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