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  • 42.60  (10)
  • Springer  (10)
  • Annual Reviews
  • 1980-1984  (9)
  • 1975-1979  (1)
  • 1984  (7)
  • 1980  (2)
  • 1978  (1)
  • 1976
Collection
Keywords
Publisher
  • Springer  (10)
  • Annual Reviews
Years
  • 1980-1984  (9)
  • 1975-1979  (1)
Year
  • 1
    Electronic Resource
    Electronic Resource
    Dye-laser frequency stabilization using optical resonators (1984)
    Springer
    Applied physics 33 (1984), S. 179-185 
    Details
    ISSN: 1432-0649
    Keywords: 06 ; 07.60 ; 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We describe a study, performed using heterodyne techniques, of the frequency fluctuations of two completely independent ring dye lasers locked to independent reference cavities. Single laser linewidths of less than 750 Hz were achieved, the principal limitation being residual vibrations from the noisy laboratory environment. With future design and environmental improvements, ultranarrow linewidths are expected thus providing a useful tool for a great variety of high precision experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688526
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  • 2
    Electronic Resource
    Electronic Resource
    An investigation of laser-induced fluorescence for measuring velocity distributions of neutral atoms using a CW dye laser (1984)
    Springer
    Applied physics 35 (1984), S. 83-93 
    Details
    ISSN: 1432-0649
    Keywords: 32.80 ; 42.60 ; 6.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The velocity distribution of evaporated Zr atoms has been measured by means of laser-induced fluorescence using a cw dye laser by scanning the laser line across the Doppler-broadened absorption line profile of the atoms. It is shown that the experimental data can be explained on the basis of an excitation theory for a three-level system developed from basic principles. It was calculated that the probability for an atom to be in the excited state mainly depends on the radiation-power density of the laser and on the residence time of the atom in the exciting laser light. It was found that the laser frequency must be well stabilized in order to meet the assumptions in the excitation calculation. Otherwise deviations to the theoretical predictions appear in the experimental results due to the jitter of the dye laser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697427
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  • 3
    Electronic Resource
    Electronic Resource
    Transient orientational grating technique for investigations of fast molecular relaxation processes (1984)
    Springer
    Applied physics 34 (1984), S. 129-137 
    Details
    ISSN: 1432-0649
    Keywords: 33.50 ; 42.10 ; 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A theoretical description of a three-pulse transient grating technique is given where the pump pulses form orientational gratings. Including energy relaxation and angular reorientation the temporal behavior of the diffraction efficiency and energy transmission is discussed with respect to the dependence on the corresponding rate constants and the results are compared with experimental data for Rh6G and RhB. The polarization plane of the pulse diffracted by the grating is found to be rotated in dependence on its initial polarization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697505
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  • 4
    Electronic Resource
    Electronic Resource
    Transverse mode dynamics in a free-electron laser (1984)
    Springer
    Applied physics 33 (1984), S. 9-16 
    Details
    ISSN: 1432-0649
    Keywords: 42.60 ; 42.20 ; 42.55
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We derive the most general equations of motion for the electrons and the electromagnetic field in a free-electron laser including the effects of diffraction and pulse propagation. The field evolution is expressed in terms of the amplitudes and phases of a complete set of transverse modes. The analytic solution is given in the small-signal regime, where the theory is shown to be in excellent agreement with a recent experiment at Orsay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690020
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  • 5
    Electronic Resource
    Electronic Resource
    Conditions for the harmonic-like and efficient amplitude modulation of the cw gaussian laser beam by means of a mechanical chopper (1984)
    Springer
    Applied physics 34 (1984), S. 1-4 
    Details
    ISSN: 1432-0649
    Keywords: 42.80 ; 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The values of the chopping disc slot and mark space widths relative to the radius of the Gaussian beam are found, which achieve optimum harmonic-like and efficient amplitude modulation of the cw laser beam. The simple approximation for the waveform of the modulated laser power valid for these optimum or near optimum values of the chopping disc parameters is presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697456
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  • 6
    Electronic Resource
    Electronic Resource
    Generation of coherent ultraviolet radiation in the 330 nm region by multiphoton excitation of sodium vapor (1984)
    Springer
    Applied physics 33 (1984), S. 155-160 
    Details
    ISSN: 1432-0649
    Keywords: 42.60 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report the observation of coherent uv emission at 330.2±0.5 nm when sodium vapor in a heatpipe is irradiated with a pulsed visible dye laser with output wavelength in the 570–595 nm region. It is found that intense uv emission can be produced from Na atoms as well as from Na2 molecules. The excitation functions and their dependence on vapor density and laser power density are presented and the mechanisms for producing the emission are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00688522
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  • 7
    Electronic Resource
    Electronic Resource
    Optical klystron experiments for the ACO storage ring Free Electron Laser (1984)
    Springer
    Applied physics 34 (1984), S. 207-219 
    Details
    ISSN: 1432-0649
    Keywords: 42.60 ; 42.55
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract To improve the gain in the Orsay storage ring Free Electron Laser (FEL) experiment, the 17 period permanent magnet undulator has been modified to form an optical klystron (OK). We report the measurement of spontaneous emission and the effects on it of energy spread and angular spread. Gain and laser induced bunch lengthening measurements with the OK are also reported and are in very good agreement with the FEL classical theory. The spontaneous emission spectrum which is easy to measure with good signal to noise ratio, turns out to be a very good diagnostic tool forenergy spread and angular spread measurements on storage rings. The factor of four increase in the small gain obtained by converting the undulator NOEL into an OK was the critical factor in the recent operation of the ACO storage ring laser above threshold.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697637
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  • 8
    Electronic Resource
    Electronic Resource
    Tunable infrared generation using the 6s−5d Raman transition in caesium vapour (1980)
    Springer
    Applied physics 21 (1980), S. 199-204 
    Details
    ISSN: 1432-0630
    Keywords: 42.60 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Coherent infrared radiation tunable between 1.6 and 3.2 μm was generated with a pulsed dye laser by 6s−5d 5/2 stimulated electronic Raman scattering in caesium vapour. We describe a technique using thermal dissociation to reduce the density of caesium dimers in a heat-pipe oven, which produced a factor of 7 reduction in Raman threshold. The threshold displayed a marked dependence on pump bandwidth.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00886169
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  • 9
    Electronic Resource
    Electronic Resource
    High-frequency discharge stability of waveguide He-Ne lasers (1978)
    Springer
    Applied physics 17 (1978), S. 405-411 
    Details
    ISSN: 1432-0630
    Keywords: 42.60 ; 52.40 ; 52.80
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The paper deals with the small-signal behavior and the stability of discharges in narrow capillaries. A theory is presented, which assumes that the time constants of the particle balance and the wall sheath extension determine the small signal behavior of a positive column. The column admittance is used to analyze the stability of an electric circuit typical for a He−Ne waveguide laser discharge. Numerical evaluation shows qualitative agreement of the experimental and the theoretical stability diagrams.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00886213
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  • 10
    Electronic Resource
    Electronic Resource
    Coherence time measurement of picosecond pulses by a light-induced grating method (1980)
    Springer
    Applied physics 21 (1980), S. 215-219 
    Details
    ISSN: 1432-0630
    Keywords: 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The temporal coherence function |Γ(τ)| of picosecond pulses from a Nd: YAG laser has been measured by diffraction at a transient grating. The coherence timet c =7 ps is small compared to the pulse widtht p =22 ps but is in correspondence with the spectral bandwidth Δv=12·1010 Hz. The new method for measuring the coherence function |Γ(τ)| is discussed and compared with a previous experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00886171
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