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Träfflista för sökning "WFRF:(Re A) srt2:(1995-1999)"

Sökning: WFRF:(Re A) > (1995-1999)

  • Resultat 1-34 av 34
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1.
  • Dunham, I, et al. (författare)
  • The DNA sequence of human chromosome 22
  • 1999
  • Ingår i: Nature. - : Springer Science and Business Media LLC. - 0028-0836 .- 1476-4687. ; 402:6761, s. 489-495
  • Tidskriftsartikel (refereegranskat)
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  • Berggren, Magnus, et al. (författare)
  • Organic solid-state lasers with imprinted gratings on plastic substrates
  • 1998
  • Ingår i: Applied Physics Letters. - : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 72:4, s. 410-411
  • Tidskriftsartikel (refereegranskat)abstract
    • Optically pumped laser emission has been observed from thin films of 8-hydroxyquinolinato aluminum (Alq) doped with a DCM dye deposited on a diffraction,orating formed by imprinting a film of BCB with a mold. The BCB film, which is 4 mu m thick, is deposited on a silicon or a flexible plastic substrate. Laser emission occurs at a wavelength war 655 nm which corresponds to the third order of the grating, which has a periodicity of similar to 0.6 mu m. (C) 1998 American Institute of Physics.
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  • Dodabalapur, A, et al. (författare)
  • Resonators and materials for organic lasers based on energy transfer
  • 1998
  • Ingår i: IEEE Journal of Selected Topics in Quantum Electronics. - : Institute of Electrical and Electronics Engineers (IEEE). - 1077-260X .- 1558-4542. ; 4:1, s. 67-74
  • Tidskriftsartikel (refereegranskat)abstract
    • Optically pumped lasers have been fabricated with organic/polymeric materials capable of charge transport. The active materials employed are doped films with small molecule hosts and dye, oligomer, and conjugated polymer emitters, In these materials, the excited states created in the host are transferred nonradiatively to the guest molecules which are the emitters, This energy transfer results in very low absorption losses at the emission wavelength and relatively low-threshold powers for the onset of stimulated emission. Such gain media have been successfully included in many types of resonators including whispering-gallery mode, photonic bandgap, and distributed Bragg reflector (DBR) based resonators. A number of novel patterning and fabrication procedures have been developed for organic-based lasers.
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  • Berggren, Magnus, et al. (författare)
  • Organic lasers based on Forster transfer
  • 1997
  • Ingår i: Synthetic metals. - : Elsevier. - 0379-6779 .- 1879-3290. ; 91:1-3, s. 65-68
  • Tidskriftsartikel (refereegranskat)abstract
    • The light amplification characteristics of organic guest-host systems with Forster transfer from absorbing small molecule hosts to dye/ polymer dopants are described. Such material systems are shown to be very promising for use in low-threshold organic lasers. A number of laser resonators have been experimentally realized with Forster gain media including microdisk, ring, spheroid, and distributed Bragg reflector lasers. (C) 1997 Elsevier Science S.A.
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  • Berggren, Magnus, et al. (författare)
  • Solid-state droplet laser made from an organic blend with a conjugated polymer emitter
  • 1997
  • Ingår i: Advanced Materials. - : Wiley-VCH Verlag Berlin. - 0935-9648 .- 1521-4095. ; 9:12, s. 968-
  • Tidskriftsartikel (refereegranskat)abstract
    • Lasers based on organic materials have been produced with a wide range of resonator design and in a variety of geometries. A new strategy is presented for fabricating permanently near-spherical whispering gallery mode (WGM) lasers from a blend of PPV7 and PBD (see Figure) by a melting and resolidification process. The thresholds and quality factors of these resonators are estimated and discussed.
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  • Berggren, Magnus, et al. (författare)
  • Stimulated emission and lasing in dye-doped organic thin films with Forster transfer
  • 1997
  • Ingår i: Applied Physics Letters. - : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 71:16, s. 2230-2232
  • Tidskriftsartikel (refereegranskat)abstract
    • Optically pumped stimulated emission and lasing in thin films of an absorbing host 8-hydroxyquinolinato aluminum(Alq) doped with small amounts of the laser dye DCM II is observed. Forster transfer of the excitation from the Alq molecules to the DCM II molecules results in a high absorption coefficient at pump wavelength (337 nm) as well as low absorption loss at the emission wavelengths (610-650 nm). (C) 1997 American Institute of Physics.
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  • Daya, DDNB, et al. (författare)
  • Interaction of mev atomic ions with molecular solids: Ion track structure and sputtering phenomena
  • 1997
  • Ingår i: RADIATION MEASUREMENTS. - : PERGAMON-ELSEVIER SCIENCE LTD. - 1350-4487. ; 28:1-6, s. 101-110
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Recent results obtained in our research groups from studies of the interactions of swift, heavy atomic ions with molecular solids are concisely outlined. The focus is on material ejection (sputtering) and surface track formation. The experimental techniqu
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  • Olsson, A, et al. (författare)
  • Freja studies of the current-voltage relation in substorm-related events
  • 1998
  • Ingår i: JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS. - : AMER GEOPHYSICAL UNION. ; 103:A3, s. 4285-4301
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • Field-aligned currents and electrostatic potentials play important roles in the coupling between the magnetosphere and the ionosphere. If one assumes that the ionosphere-magnetosphere potential difference is mainly due to the mirror force, one can use the
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  • Van, den Berg M, et al. (författare)
  • Toxic equivalency factors (TEFs) for PCBs, PCDDs, PCDFs for humans and wildlife
  • 1998
  • Ingår i: ENVIRONMENTAL HEALTH PERSPECTIVES. - : US DEPT HEALTH HUMAN SERVICES PUBLIC HEALTH SERVICE. ; 106:12, s. 775-792
  • Recension (övrigt vetenskapligt/konstnärligt)abstract
    • An expert meeting was organized by the World Health Organization (WHO) and held in Stockholm on 15-18 June 1997. The objective of this meeting was to derive consensus toxic equivalency factors (TEFs) for polychlorinated dibenzo-p-dioxins (PCDDs) and diben
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  • vanDoorslaer, E, et al. (författare)
  • Income-related inequalities in health: Some international comparisons
  • 1997
  • Ingår i: JOURNAL OF HEALTH ECONOMICS. - : ELSEVIER SCIENCE BV. - 0167-6296. ; 16:1, s. 93-112
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
    • This paper presents evidence on income-related inequalities in self-assessed health in nine industrialized countries. Health interview survey data were used to construct concentration curves of self-assessed health, measured as a latent variable. Inequali
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  • Resultat 1-34 av 34

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