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  • Articles  (2)
  • Articles: DFG German National Licenses  (2)
  • Springer  (2)
  • 1975-1979  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Influence of the inversion depletion in the active medium on the evolution of ultrashort pulses in passively mode-locked solid-state lasers (1979)
    Springer
    Applied physics 20 (1979), S. 237-245 
    Details
    ISSN: 1432-0630
    Keywords: 42.55
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract An analytical treatment of the ultrashort-pulse generation in a solid-state laser is given taking into account gain saturation. The probability for the breakdown of the picosecond-pulse evolution caused by the amplification depletion is calculated. The influence of the active medium saturation on the satellite-pulse probability is investigated. Both probabilities characterize the mode-locking behaviour of the laser system and are calculated for various laser parameters to find an optimum laser regime.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00886024
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Shaping and shortening of short light pulses by absorption from excited levels (1975)
    Springer
    Optical and quantum electronics 7 (1975), S. 337-344 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract It is proposed to shape pulses by a combination of a saturable single-photon absorber and a two-step absorber in which an absorption from higher electronic levels populated by two-photon excitation is used. Pulse formation and shortening by means of this combination is calculated on the basis of balance equations. Thereby pulses with steeper front and back sides and of changeable duration are obtained, whereas the application of a saturable single-photon absorber alone gives only a significant suppression of the leading edge of the pulse. During a single passage through such a combination of absorbers a pulse shortening up to a factor of five may be obtained and the maximum of the pulse is only slightly depleted (to about 77%).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00619831
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    Paper (German National Licenses)
    Fulltext
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