Experimental demonstration of a soft x-ray self-seeded free-electron laser

Experimental demonstration of a soft x-ray self-seeded free-electron laser

The Linac Coherent Light Source has added a self-seeding capability to the soft x-ray range using a grating monochromator system. We report the demonstration of soft x-ray self-seeding with a measured resolving power of 2000-5000, wavelength stability of 10(-4), and an increase in peak brightness by...

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Veröffentlicht in:Physical review letters 2015-02, Vol.114 (5), p.054801-054801, Article 054801
Hauptverfasser: Ratner, D, Abela, R, Amann, J, Behrens, C, Bohler, D, Bouchard, G, Bostedt, C, Boyes, M, Chow, K, Cocco, D, Decker, F J, Ding, Y, Eckman, C, Emma, P, Fairley, D, Feng, Y, Field, C, Flechsig, U, Gassner, G, Hastings, J, Heimann, P, Huang, Z, Kelez, N, Krzywinski, J, Loos, H, Lutman, A, Marinelli, A, Marcus, G, Maxwell, T, Montanez, P, Moeller, S, Morton, D, Nuhn, H D, Rodes, N, Schlotter, W, Serkez, S, Stevens, T, Turner, J, Walz, D, Welch, J, Wu, J
Format: Artikel
Sprache:eng
Schlagworte:
Brightness
Coherent light
Free electron lasers
Monochromators
PARTICLE ACCELERATORS
Photons
Resolution
Soft x-rays
Stations
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Zusammenfassung:The Linac Coherent Light Source has added a self-seeding capability to the soft x-ray range using a grating monochromator system. We report the demonstration of soft x-ray self-seeding with a measured resolving power of 2000-5000, wavelength stability of 10(-4), and an increase in peak brightness by a factor of 2-5 across the photon energy range of 500-1000 eV. By avoiding the need for a monochromator at the experimental station, the self-seeded beam can deliver as much as 50-fold higher brightness to users.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.114.054801