Library

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
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 70 (1999), S. 242-243 
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: We present a scheme for stabilizing the difference frequency of two independent lasers. The scheme is based on simple electronics and makes use of the frequency-dependent phase shift experienced by a signal when it propagates through a delay line of coaxial cable. The stabilized difference frequency can be tuned over a wide range. Difference frequencies in the radio-frequency domain (100 MHz–10 GHz) can be controlled with long-term stability of better than 1 MHz. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 2
    ISSN: 1432-0649
    Keywords: PACS: 32.80.-t; 39.10.+j
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 3
    ISSN: 1434-6079
    Keywords: PACS. 34.50.Rk Laser-modified scattering and reactions - 32.80.Pj Optical cooling of atoms; trapping
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We investigate collisional properties of lithium and cesium which are simultaneously confined in a combined magneto-optical trap. Trap-loss collisions between the two species are comprehensively studied. Different inelastic collision channels are identified, and inter-species rate coefficients as well as cross-sections are determined. It is found that loss rates are independent of the optical excitation of Li, as a consequence of the repulsive Li*-Cs interaction. Li and Cs loss by inelastic inter-species collisions can completely be attributed to processes involving optically excited cesium (fine-structure changing collisions and radiative escape). By lowering the trap depth for Li, an additional loss channel of Li is observed which results from ground-state Li-Cs collisions changing the hyperfine state of cesium.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Hyperfine interactions 99 (1996), S. 127-133 
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report on the development of a novel precision target for atomic physics with heavy ion beams, which consists of extremely cold and well localized, laser-cooled lithium atoms in a magneto-optical trap. First experiments are in preparation to study the collisional losses from the trap caused by the ion beam. The experimental set-up and the laser system, using exclusively 670 nm diode lasers, are described.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
  • 5
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 19 (1988), S. 36-40 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Metal-matrix Composites with Metallic GlassesMetallic glass ribbons are well known for their very high tensile strengths. Since they offer an attractive potential of low-cost volume production, the development of a metallic glass-metal matrix composite should be very attractive. This paper reports first results on the feasibility of fabricating such composites by surface plating or incorporation by various techniques.The influence of fabrication methods on the interfacial bonding was investigated by means of cross-sectional light and electron microscopy.
    Notes: Metallglas-Bänder zeichnen sich durch sehr hohe Zugfestigkeit und kostengünstige Herstellung aus, so daß die Entwicklung eines Metallglas-Metallmatrix-Verbundwerkstoffes ausgesprochen interessant erscheint.Die vorliegende Arbeit berichtet über erste Ergebnisse, solche Verbundwerkstoffe durch Oberflächenbeschichten, verschiedene Einbettmethoden bzw. ein Festkörperreaktionsverfahren herzustellen.Dabei wird vorallem der Einfluß der Herstellungsmethoden auf die Grenzflächenhaftung licht- und elektronenmikroskopisch untersucht.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...