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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 17 — Sep. 1, 2006
  • pp: 2631–2633

High spatiotemporal resolution in multifocal processing with femtosecond laser pulses

Gladys Mínguez-Vega, Jesús Lancis, José Caraquitena, Víctor Torres-Company, and Pedro Andrés  »View Author Affiliations


Optics Letters, Vol. 31, Issue 17, pp. 2631-2633 (2006)
http://dx.doi.org/10.1364/OL.31.002631


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Abstract

We report spatial and temporal dispersion compensation for fan-out of femtosecond pulses with a low-frequency diffraction grating by means of a hybrid diffractive–refractive lens triplet. In this way, we achieve a multifocal light structure with nearly diffraction-limited light spots even for 20 fs pulse duration. The spatial chromatic compensation, which drastically reduces the lateral walk-off of the various spectral components, also allows us to improve the available bandwidth at the dispersion-compensated diffraction orders. In fact, the temporal width of the output pulse is essentially limited by the group-delay dispersion term, which is shown to be small. The high spatiotemporal resolution provided by our proposal permits parallel multifocal processing of materials with femtosecond pulses.

© 2006 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(220.4830) Optical design and fabrication : Systems design
(320.0320) Ultrafast optics : Ultrafast optics

ToC Category:
Ultrafast Optics

History
Original Manuscript: May 8, 2006
Revised Manuscript: June 16, 2006
Manuscript Accepted: June 19, 2006
Published: August 9, 2006

Citation
Gladys Mínguez-Vega, Jesús Lancis, José Caraquitena, Víctor Torres-Company, and Pedro Andrés, "High spatiotemporal resolution in multifocal processing with femtosecond laser pulses," Opt. Lett. 31, 2631-2633 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-17-2631

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