GLORIA

GEOMAR Library Ocean Research Information Access

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Design and application of a femtosecond optical parametric oscillator for time-resolved spectroscopy of semiconductor heterostructures (1995)
    Springer
    Applied physics 60 (1995), S. 459-467 
    Details
    ISSN: 1432-0649
    Keywords: 42.65.Ky ; 42.50.Md ; 71.35. + z
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Femtosecond pulses of a collinearly pumped Optical Parametric Oscillator (OPO) are applied for investigations of the carrier dynamics in ternary and quaternary semiconductor quantum wells. The design and the specifications of the OPO are given in detail. We show that no measurable jitter exists between the pump pulses and the output pulses of the OPO. Therefore, it is possible to use the OPO and its pump laser for two-color experiments with a time resolution limited by the pulse lengths. We present and discuss results of transient four-wave mixing experiments on (InGa) As/InP quantum wells, and find a new kind of polarization-dependent quantum beat phenomenon. In addition, non-degenerate experiments on quantum wells from the quaternary (InGaAl) As material system, using two pulses at different wavelengths (one from the OPO and one from the pump laser), are discussed as a novel experimental technique to study carrier trapping into quantum wells.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01081327
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    In vitro survival of cells derived from isodiploid uniparental half embryos of the mouse after aggregation with normal embryos (1990)
    Springer
    Anatomy and embryology 182 (1990), S. 503-507 
    Details
    ISSN: 1432-0568
    Keywords: Mouse eggs ; Bisection ; Uniparental embryos ; Chimaeras ; In vitro development
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fertilized mouse eggs, heterozygous for two allozymes of glucose phosphate isomerase (GPI) were bisected, and the resulting half eggs were diploidized with cytochalasin B. After separate aggregation with normal embryos carrying a third allozyme of GPI, the resulting chimaeras were kept in culture up to 10 days. The majority grew out on the culture dish during this period. By GPI analysis, 7.7% of the embryos were found to be chimaeric. Both types of uniparental cells, from gynogenetic and from androgenetic half eggs, were capable of surviving in chimaeras in vitro. These results are comparable with published data obtained by using uniparental embryos generated by micromanipulation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00178917
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...