Nanosecond KTN varifocal lens without electric field induced phase transition

Wenbin Zhu, Ju Hung Chao, Chang Jiang Chen, Adrian Campbell, Michael Henry, Stuart Yin, Robert C. Hoffman

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    2 Scopus citations

    Abstract

    This paper presents a nanosecond speed KTN varifocal lens. The tuning principle of varifocal lens is based on the high-speed refractive index modulation from the nanosecond speed tunable electric field. A response time on the order of nanoseconds was experimentally demonstrated, which is the fastest varifocal lens reported so far. The results confirmed that the tuning speed of the KTN varifocal lens could be significantly increased by avoiding the electric field induced phase transition. Such a nanosecond speed varifocal lens can be greatly beneficial for a variety of applications that demand high speed axial scanning, such as high-resolution 3D imaging and high-speed 3D printing.

    Original languageEnglish (US)
    Title of host publicationPhotonic Fiber and Crystal Devices
    Subtitle of host publicationAdvances in Materials and Innovations in Device Applications XI
    EditorsShizhuo Yin, Ruyan Guo
    PublisherSPIE
    ISBN (Electronic)9781510612211
    DOIs
    StatePublished - Jan 1 2017
    EventPhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI 2017 - San Diego, United States
    Duration: Aug 6 2017Aug 7 2017

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume10382
    ISSN (Print)0277-786X
    ISSN (Electronic)1996-756X

    Other

    OtherPhotonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications XI 2017
    CountryUnited States
    CitySan Diego
    Period8/6/178/7/17

    All Science Journal Classification (ASJC) codes

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

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