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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 20 — Sep. 26, 2011
  • pp: 19169–19181

Single-grating monochromator for extreme-ultraviolet ultrashort pulses

Fabio Frassetto, Cephise Cacho, Chris A. Froud, I.C. Edmund Turcu, Paolo Villoresi, Will A. Bryan, Emma Springate, and Luca Poletto  »View Author Affiliations


Optics Express, Vol. 19, Issue 20, pp. 19169-19181 (2011)
http://dx.doi.org/10.1364/OE.19.019169


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Abstract

Extreme-ultraviolet high-order-harmonic pulses with 1.6·107 photons/pulse at 32.5eV have been separated from multiple harmonic orders by a time-preserving monochromator using a single grating in the off-plane mount. This grating geometry gives minimum temporal broadening and high efficiency. The pulse duration of the monochromatized harmonic pulses has been measured to be in the range 20 to 30 fs when the harmonic process is driven by an intense 30 fs near-infrared pulse. The harmonic photon energy is tunable between 12 and 120 eV. The instrument is used in the monochromatized branch of the Artemis beamline at the Central Laser Facility (UK) for applications in ultrafast electron spectroscopy.

© 2011 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(050.1960) Diffraction and gratings : Diffraction theory
(300.6540) Spectroscopy : Spectroscopy, ultraviolet
(320.0320) Ultrafast optics : Ultrafast optics

ToC Category:
Diffraction and Gratings

History
Original Manuscript: July 18, 2011
Revised Manuscript: August 31, 2011
Manuscript Accepted: September 1, 2011
Published: September 19, 2011

Citation
Fabio Frassetto, Cephise Cacho, Chris A. Froud, I.C. Edmund Turcu, Paolo Villoresi, Will A. Bryan, Emma Springate, and Luca Poletto, "Single-grating monochromator for extreme-ultraviolet ultrashort pulses," Opt. Express 19, 19169-19181 (2011)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-19-20-19169


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