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Träfflista för sökning "WFRF:(Nelander S.) srt2:(2000-2004)"

Sökning: WFRF:(Nelander S.) > (2000-2004)

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1.
  • Nissen, S, et al. (författare)
  • High-resolution infrared study of the nu(11) band of allene
  • 2002
  • Ingår i: Journal of Molecular Spectroscopy. - : Elsevier BV. - 0022-2852. ; 216:2, s. 197-202
  • Tidskriftsartikel (refereegranskat)abstract
    • The high-resolution infrared spectrum of allene has been observed in the 280-380 cm(-1) region at a nominal resolution of 0.00125 cm(-1) using the IR beamline at the MAX-1 electron storage ring in Lund. The spectrum shows the bending fundamental of the nu(11) band from which spectroscopic constants for the nu(11) level have been obtained. The accompanying hot band component 2nu(11)(2)-nu(11)(1) has also been assigned and analyzed.
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2.
  • Andersson, Åke, et al. (författare)
  • Coherent synchrotron radiation in the far infrared from a 1-mm electron bunch
  • 2000
  • Ingår i: Optical Engineering. - : SPIE-Intl Soc Optical Eng. - 0091-3286. ; 39:12, s. 3099-3105
  • Tidskriftsartikel (refereegranskat)abstract
    • The coherent generation of synchrotron radiation by an electron storage ring is predicted for wavelengths equal to or longer than the electron bunch length. With typical bunch lengths of approximately 1 cm, diffraction and chamber-screening effects have so far blocked observation of coherent radiation from a conventional radiation beamline. In the low-energy, second-generation light source MAX-I, the magnet lattice has been tuned to a small momentum compaction factor, allowing rms bunch lengths as short as 1 mm. Here we report the coherent far-infrared emission observed from such a bunch. The paper discusses the origin of coherent synchrotron radiation for Gaussian and non-Gaussian electron bunches, and the procedure used to generate such bunches. The emission was characterized using the infrared beamline at MAX-I, including an interferometer, a liquid-helium-cooled bolometer detector, waveguide high-pass filters, and a conductive-grid polarization filter. The intensity of the coherent radiation is greater by a factor of 2×103 to 6×103 than normal incoherent synchrotron radiation, and is seen between 8 and 22 cm-1.
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  • Resultat 1-2 av 2
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tidskriftsartikel (2)
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refereegranskat (2)
Författare/redaktör
Nelander, Bengt (2)
Johnson, Matthew S (1)
Andersson, Åke (1)
Johnson, M. S. (1)
Hegelund, F (1)
Nissen, S (1)
Lärosäte
Lunds universitet (2)
Språk
Engelska (2)
Forskningsämne (UKÄ/SCB)
Naturvetenskap (2)

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