Search Results - (Author, Cooperation:M. Grabherr)

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  1. 1
    Staff View
    Publication Date:
    2015-02-18
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    Animals ; Avian Proteins/genetics/metabolism ; Beak/*anatomy & histology ; Ecuador ; *Evolution, Molecular ; Female ; Finches/*anatomy & histology/classification/embryology/*genetics ; Gene Flow ; Genome/genetics ; Haplotypes/genetics ; Hybridization, Genetic ; Indian Ocean Islands ; Male ; Molecular Sequence Data ; Phylogeny ; Transcription Factors/genetics/metabolism
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  2. 2
    Staff View
    Publication Date:
    2011-09-02
    Publisher:
    Nature Publishing Group (NPG)
    Print ISSN:
    0028-0836
    Electronic ISSN:
    1476-4687
    Topics:
    Biology
    Chemistry and Pharmacology
    Medicine
    Natural Sciences in General
    Physics
    Keywords:
    Animals ; Birds/*genetics ; Chickens/genetics ; *Evolution, Molecular ; GC Rich Sequence/genetics ; Genome/*genetics ; Genomics ; Humans ; Lizards/*genetics ; Mammals/*genetics ; Molecular Sequence Data ; Phylogeny ; Synteny/genetics ; X Chromosome/genetics
    Published by:
    Latest Papers from Table of Contents or Articles in Press
  3. 3
    Wiedenmann, D. ; Kicherer, M. ; Jung, C. ; Grabherr, M. ; Miller, M. ; Jäger, R. ; Ebeling, K. J.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1999
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    The intensity noise of selectively oxidized vertical-cavity surface-emitting lasers (VCSELs) is compared to the shot noise limit. Different operation regimes where transverse single- or multimode emission occurs are investigated. At low-temperature operation, quantum efficiency of the VCSEL is increased leading to photon-number fluctuations 1.4 dB below the shot noise limit. © 1999 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  4. 4
    Wiedenmann, D. ; Schnitzer, P. ; Jung, C. ; Grabherr, M. ; Jäger, R. ; Michalzik, R. ; Ebeling, K. J.

    Woodbury, NY : American Institute of Physics (AIP)
    Published 1998
    Staff View
    ISSN:
    1077-3118
    Source:
    AIP Digital Archive
    Topics:
    Physics
    Notes:
    We have measured the noise characteristics of single-mode oxide confined surface emitting vertical cavity laser diodes. For pumping levels of more than 3.5 times threshold current, the relative intensity noise is below −150 dB/Hz up to 5 GHz at output powers near 1 mW. For various frequencies, we observe sub-Poissonian noise. © 1998 American Institute of Physics.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses
  5. 5
    Grabherr, M. G. ; Ebel, M. F. ; Gurker, N. ; Svagera, R. ; Mantler, M. ; Ebel, H.

    Chichester [u.a.] : Wiley-Blackwell
    Published 1992
    Staff View
    ISSN:
    0142-2421
    Keywords:
    Chemistry ; Polymer and Materials Science
    Source:
    Wiley InterScience Backfile Collection 1832-2000
    Topics:
    Physics
    Notes:
    Imaging XPS can be performed by an application of the double focusing properties of the hemispherical electron energy analyser. The x-ray photoelectron spectra originating from an area of the specimen are depicted on a multichannel plate electron detector. An increasing size of this specimen area helps to reduce the total time for the generation of an XPS image. But, together with a reduction of the time of measurement, a loss of lateral resolution has to be expected. The present paper deals with the concept of computer-aided compensation for the loss of resolution due to an increase of the observed specimen area. The principle of this concept is based on a deconvolution of the measured x-ray photoelectron spectra.
    Additional Material:
    7 Ill.
    Type of Medium:
    Electronic Resource
    URL:
    Articles: DFG German National Licenses