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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 18 — Sep. 15, 2011
  • pp: 3645–3647

Lasing of middle-infrared free-election lasers using the storage ring NIJI-IV

Norihiro Sei, Hiroshi Ogawa, and Kawakatsu Yamada  »View Author Affiliations


Optics Letters, Vol. 36, Issue 18, pp. 3645-3647 (2011)
http://dx.doi.org/10.1364/OL.36.003645


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Abstract

We report for the first time to our knowledge the experimental realization of a storage ring free-electron laser (FEL) in the middle-infrared (MIR) region. A technique to adjust the optical cavity using higher harmonic FELs was developed for a fundamental FEL in the MIR region. The MIR FELs were oscillated in the wavelength region of 2475 to 2673 nm , and the relative linewidth was 5 × 10 4 . A quasi-monochromatic x-ray beam with an energy of 700 keV was generated using FEL Compton backscattering. We were able to realize a quasi-monochromatic x-ray beam, whose energy is difficult to generate even in advanced synchrotron radiation facilities.

© 2011 Optical Society of America

OCIS Codes
(140.2600) Lasers and laser optics : Free-electron lasers (FELs)
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 2, 2011
Revised Manuscript: July 21, 2011
Manuscript Accepted: July 22, 2011
Published: September 14, 2011

Citation
Norihiro Sei, Hiroshi Ogawa, and Kawakatsu Yamada, "Lasing of middle-infrared free-election lasers using the storage ring NIJI-IV," Opt. Lett. 36, 3645-3647 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-18-3645

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