Suppressing self-induced frequency scanning of a phase conjugate diode laser array with using counterbalance dispersion

M. Løbel, P.M. Petersen, P.M. Johansen

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Experimental results show that angular dispersion strongly influences the self-induced frequency scanning of a multimode broad-area diode laser array coupled to a photorefractive self-pumped phase conjugate mirror. Prisms or a dispersive grating placed in the external cavity opposing the material frequency dispersion of the phase conjugate BaTiO3 crystal suppress the frequency scanning and stabilize the center wavelength and the output power. We show that the dispersion of the crystal is crucial for the mechanism of the frequency scanning. (C) 1998 American Institute of Physics.
    Original languageEnglish
    JournalApplied Physics Letters
    Volume72
    Issue number11
    Pages (from-to)1263-1265
    ISSN0003-6951
    DOIs
    Publication statusPublished - 1998

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