Maximum-performance fiberoptic irradiation with nonimaging designs

    Research output: Contribution to journalConference articlepeer-review

    Abstract

    We develop a range of practical nonimaging devices for optical fiber applications where rays emerging from a fiber over a restricted angular range (small numerical aperture) must illuminate a small near-field detector at maximum radiative efficiency. These designs range from pure reflector (all-mirror), to pure dielectric (refractive and based on total internal reflection), to lens-mirror combinations. Sample designs are presented for a specific infrared fiberoptic irradiation problem of practical interest. Optical performance is checked with computer 3D raytracing. Compared to conventional imaging solutions, our new nonimaging units offer considerable practical advantages in compactness and ease of alignment, as well as noticeably superior radiative efficiency.

    Original languageEnglish
    Pages (from-to)9-18
    Number of pages10
    JournalProceedings of SPIE - The International Society for Optical Engineering
    Volume3139
    DOIs
    StatePublished - 1 Dec 1997
    EventNonimaging Optics: Maximum Efficiency Light Transfer IV - San Diego, CA, United States
    Duration: 27 Jul 199727 Jul 1997

    Keywords

    • Edge-ray principle
    • Fiberoptic
    • Irradiator
    • Nonimaging
    • Optical design

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics
    • Computer Science Applications
    • Applied Mathematics
    • Electrical and Electronic Engineering

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