Integrated polymer micro-ball lenses for two-dimensional divergence reduction of light from single-mode optical waveguides

L. Chang, M. Dijkstra, René M de Ridder, K. Wörhoff, V. Subramaniam, Johannes S Kanger

    Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

    Abstract

    Reduction of the divergence angle of a beam coupled out from an optical waveguide is desired in many applications. Collimation in one dimension has been demonstrated, see e.g. [1-3] However, for some applications such as on-chip optical coherence tomography (OCT) or Raman spectroscopy [4,5], it is necessary to produce a light beam that is collimated in two dimensions in order to increase the efficiency of chip-sample coupling. In our previous work [6], we have designed a fabrication procedure of a direct on-chip reflowed polymer micro-ball lens to enable light collimation in both, horizontal and vertical directions. In this work, we realized the complete design, optical characterization and demonstrate the feasibility of mass production.
    Original languageEnglish
    Title of host publicationProceedings 2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference
    PublisherOptical Society of America (OSA)
    ISBN (Electronic)9781467374750
    Publication statusPublished - 2015
    Event2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015 - Munich, Germany
    Duration: 21 Jun 201525 Jun 2015

    Conference

    Conference2015 European Conference on Lasers and Electro-Optics - European Quantum Electronics Conference, CLEO/Europe-EQEC 2015
    Country/TerritoryGermany
    CityMunich
    Period21/06/1525/06/15

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