Summary form only given. Experimental and theoretical studies have shown that three-dimensional gain gratings, optically written in a saturable laser amplifier, can act as very efficient (>1000%) diffractive optical elements and, in a four-wave mixing (FWM) geometry, can produce extremely high phase-conjugate reflectivity. A further development in the use of gain gratings for phase conjugation has been the employment of loop schemes to obtain self-pumped phase conjugation (SPPC) with only one input beam required. In reality, these devices are actually a novel type of (holographic) laser where the feedback is provided by diffraction from an externally-written gain-grating hologram.


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    Titel :

    Performance of a continuous-wave self-adaptive gain-grating laser


    Beteiligte:
    Trew, M. (Autor:in) / Damzen, M.J. (Autor:in) / Eason, R.W. (Autor:in)


    Erscheinungsdatum :

    01.01.1999


    Format / Umfang :

    151040 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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