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  • 1
    Electronic Resource
    Electronic Resource
    Photorefractive mutually pumped phase conjugation with partially coherent beams (1995)
    Springer
    Applied physics 60 (1995), S. 47-50 
    Details
    ISSN: 1432-0649
    Keywords: 42.65.Hw ; 42.80 ; 42.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We investigate the mutually pumped phase-conjugation process in photorefractive media with partially coherent pump beams. We consider the effects of transmission, reflection, and 2k-reflection gratings as well as the depletion of both pump beams. The theoretical results can be employed to qualitatively explain the experimental observations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01082072
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optical restoration of photorefractive holograms (1995)
    Springer
    Applied physics 61 (1995), S. 511-514 
    Details
    ISSN: 1432-0649
    Keywords: 42.30 ; 42.40 ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We consider the possibility of restoration and/or enhancement of decaying holograms in photorefractive media by using a simple optical readout in conjunction with a phase conjugator. The results indicate that extremely weak holograms can be enhanced provided that the two-beam coupling is sufficiently strong. Steady-state photorefractive holograms can be maintained continuously without decay by using a self-enhanced readout scheme. The results also provide an explanation for the formation of mutually pumped phase conjugation in terms of the amplification of an initial noise grating. The results are presented and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01081282
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Asymmetric photorefractive Fabry-Perot etalons (1994)
    Springer
    Applied physics 59 (1994), S. 467-470 
    Details
    ISSN: 1432-0649
    Keywords: 42.65 ; 42.80 ; 42.70
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We theoretically analyze the properties of Fabry-Perot etalons which consist of photorefractive-crystal plates with asymmetric mirror reflectance. Peak transmissions and non-reciprocities are enhanced significantly compared with the symmetric photorefractive etalons. The effect of material absorption is also considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01081069
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    Paper (German National Licenses)
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