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Optics Letters

Optics Letters


  • Vol. 27, Iss. 11 — Jun. 1, 2002
  • pp: 969–971

Chromatic-distortion compensation in splitting and focusing of femtosecond pulses by use of a pair of diffractive optical elements

Jun Amako, Kimio Nagasaka, and Nishida Kazuhiro  »View Author Affiliations

Optics Letters, Vol. 27, Issue 11, pp. 969-971 (2002)

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We propose a simple optical system to compensate for chromatic distortion that occurs during fan-out of femtosecond pulses by diffractive optics. The proposed system comprises a pair of diffractive elements, one for splitting an incoming pulse and the other for focusing the split pulses. With an appropriate separation between the elements, chromatic distortion resulting from the spectral bandwidth of a femtosecond pulse is removed, and an array of focused pulses with the same dimensions can be obtained. The theory has been verified through optical and processing experiments with 100-fs, 800-nm pulses.

© 2002 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(140.3390) Lasers and laser optics : Laser materials processing

Jun Amako, Kimio Nagasaka, and Nishida Kazuhiro, "Chromatic-distortion compensation in splitting and focusing of femtosecond pulses by use of a pair of diffractive optical elements," Opt. Lett. 27, 969-971 (2002)

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