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  • 1975-1979  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Analytical aspects of immobilized enzyme columns (1977)
    s.l. : American Chemical Society
    Analytical chemistry 49 (1977), S. 1929-1939 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac50021a014
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Infrared stimulated Raman generation: Effects of gain focussing on threshold and tuning behaviour (1975)
    Springer
    Applied physics 8 (1975), S. 333-340 
    Details
    ISSN: 1432-0630
    Keywords: Tunable lasers ; Infrared ; Stimulated Raman effect ; Gain focussing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract It is shown that for generation of infrared radiation by stimulated Raman scattering, the diffraction spread of the Stokes wave can have a significant effect on the threshold. Compared with an analysis in which gain focussing is neglected, the threshold powers may be much higher with a corresponding reduction in tuning range. The design of a Raman oscillator is considerably influenced by these diffraction effects, and also it is found that the Stokes wave is subject to frequency-pulling which is dependent on the pump power.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00898367
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    An unstable resonator Nd-YAG laser (1979)
    Springer
    Optical and quantum electronics 11 (1979), S. 153-160 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract The operating characteristics of an unstable resonator Q-switched Nd-YAG laser are reported and its suitability for a number of applications has been tested. At repetition rates up to 50 Hz, output energies of 150–200 mJ are obtained with a beam divergence of 0.25 mrad half-angle. Single longitudinal mode operation has been achieved either with passive Q-switching or with an active slow Q-switch.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00624394
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    A simple beam expander for frequency narrowing of dye lasers (1975)
    Springer
    Optical and quantum electronics 7 (1975), S. 115-119 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Design considerations and performance of a prism beam expander are presented. Using a prism beam expander and holographic grating, a dye laser pumped by a nitrogen laser has given 15 kW of diffraction limited power in 0.1–0.2 cm−1 linewidth. Addition of a single etalon gave a single frequency output of 10 kW in a linewidth of less than 0.01 cm−1.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00631592
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Nonlinear absorption measurements in proustite (Ag3AsS3) and CdSe (1976)
    Springer
    Optical and quantum electronics 8 (1976), S. 213-217 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Nonlinear absorption has been observed in proustite at 694 nm; however at 1.06μm, in contrast to previous results, no nonlinear absorption could be detected at intensities up to the damage threshold. Measurements on CdSe at 1.06μm and 1.32μm show that the nonlinear absorption mechanism is two photon absorption followed by absorption by the photo-induced carriers. The implications of this for nonlinear mixing applications are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00620202
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Stimulated electronic Raman scattering in Cs vapour: a simple tunable laser system for the 2.7 to 3.5 μm region (1977)
    Springer
    Optical and quantum electronics 9 (1977), S. 509-518 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract Stimulated electronic Raman scattering (SERS) in atomic vapours provides a simple method of extending the tuning ranges of pulsed dye lasers well into the infrared region. The special advantages of this technique in comparison with other types of tunable infrared lasers are discussed, and are illustrated by describing a SERS system which uses a modest nitrogen laser-pumped dye laser (∼ 20 kW). This produces infrared radiation tunable from 2.67 to 3.47μm by SERS in caesium vapour, which is contained in a heat pipe oven. Photon conversion efficiencies of up to 50% are obtained. The design of the heat pipe oven, operation of the system and optimization of experimental parameters are described in detail.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01208761
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    Paper (German National Licenses)
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