Phys. Rev. Lett. 91, 074801 (2003) [4 pages]

First Ultraviolet High-Gain Harmonic-Generation Free-Electron Laser

Abstract

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L. H. Yu^*, L. DiMauro, A. Doyuran, W. S. Graves^†, E. D. Johnson, R. Heese, S. Krinsky, H. Loos, J. B. Murphy, G. Rakowsky, J. Rose, T. Shaftan, B. Sheehy, J. Skaritka, X. J. Wang, and Z. Wu
National Synchrotron Light Source, Brookhaven National Laboratory, Upton, New York 11973, USA

Received 25 March 2003; published 14 August 2003

We report the first experimental results on a high-gain harmonic-generation (HGHG) free-electron laser (FEL) operating in the ultraviolet. An 800 nm seed from a Ti:sapphire laser has been used to produce saturated amplified radiation at the 266 nm third harmonic. The results confirm the predictions for HGHG FEL operation: stable central wavelength, narrow bandwidth, and small pulse-energy fluctuation.

URL:

http://link.aps.org/doi/10.1103/PhysRevLett.91.074801

DOI:

10.1103/PhysRevLett.91.074801

PACS:

41.60.Cr

^*Electronic address: lhyu@bnl.gov

^†Present address: MIT-Bates Linear Accelerator Center, Middleton, MA 01949, USA.

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Phys. Rev. Lett. 91, 074801 (2003) [4 pages]

First Ultraviolet High-Gain Harmonic-Generation Free-Electron Laser