High-power broad-area diode lasers for laser cooling

A.C. Fey - den Boer, H.C.W. Beijerinck, K.A.H. Leeuwen, van

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    8 Citations (Scopus)


    Abstract. This work describes an experimental investigation on the applicability of an injection-locked broad-area diode laser for laser cooling, which requires narrow-linewidth light. Unlike diode laser arrays, injection locked broad-area lasers have so far not been demonstrated to operate on a linewidth below 1MHz. Using a heterodyne technique, we show that the frequency of the master laser is tracked by the locked broad-area laser to within 2 kHz. This implies that when a narrow-linewidth laser is used as a master, an equally narrow-linewidth output can be obtained. Furthermore, we investigated practical aspects like ease of alignment, and tuning behavior.We conclude that an injection-locked broad-area laser can be an excellent laser source for applications requiring high-power narrow-linewidth laser light, like non-linear spectroscopy and laser cooling.
    Original languageEnglish
    Pages (from-to)415-417
    JournalApplied Physics B: Lasers and Optics
    Issue number4
    Publication statusPublished - 1996


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