ABCD formalism and attosecond few-cycle pulse via chirp manipulation of a seeded free electron laser | Zendy

Juhao Wu | Zendy; Paul R. Bolton | Zendy; J.B. Murphy | Zendy; K. Wang | Zendy

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ABCD formalism and attosecond few-cycle pulse via chirp manipulation of a seeded free electron laser

Author(s) -

Juhao Wu,

Paul R. Bolton,

J.B. Murphy,

K. Wang

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.012749

Subject(s) - attosecond , chirp , physics , high harmonic generation , optics , laser , undulator , femtosecond , ultrashort pulse

An ABCD formalism is identified to characterize a seeded Free Electron Laser (FEL) with three chirps: an initial frequency chirp in the seed Laser, an energy chirp in the electron bunch, and an intrinsic frequency chirp due to the FEL process. A scheme of generating attosecond few-cycle pulses is proposed by invoking an FEL seeded by high-order harmonic generation (HHG) from an infrared laser. The HHG seed has generic attosecond structure. It is possible to manipulate these three chirps to maintain the attosecond structure via post-undulator chirped pulse compression.

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