Coherent beam superposition of ten diode lasers with a Dammann grating

Paboeuf, David and Emaury, Florian and de Rossi, Sébastien and Mercier, Raymond and Lucas-Leclin, Gaëlle and Georges, Patrick (2010) Coherent beam superposition of ten diode lasers with a Dammann grating. Optics Letters, 35 (10). pp. 1515-1517. ISSN 0146-9592

[img]
Preview
 PDF
2010_Pab_uf_et_al._Optics_Letters.pdf
Final Published Version
Download (233kB)| Preview

    Abstract

    We demonstrate the use of a binary diffractive optical element in a very simple setup to convert the multilobed beam from a low fill factor array of coherent laser diodes into a quasi-Gaussian beam. The phase profile of the grating is determined with a phase retrieval algorithm. Experimentally, the conversion efficiency reaches more than 44%. We also establish that this setup can be used to make an effective measurement of the coherency of the laser array.

    Creators(s): Paboeuf, David ORCID logoORCID: https://orcid.org/0000-0001-5664-994X, Emaury, Florian, de Rossi, Sébastien, Mercier, Raymond, Lucas-Leclin, Gaëlle and Georges, Patrick;
    Item type:Article
    ID code:41511
    Keywords:diffractive optical element, multilobed beam, laser diodes, quasi-Gaussian beam, Physics, Atomic and Molecular Physics, and Optics
    Subjects:Science > Physics
    Department:Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:17 Oct 2012 10:59
    Last modified:20 Jan 2021 20:21
    URI:https://strathprints.strath.ac.uk/id/eprint/41511
    Export data:
    CORE (COnnecting REpositories)