Investigation of mid-IR picosecond image upconversion

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    Abstract

    Imaging and spectroscopy in the mid-infrared (Mid-IR) wavelength region have received considerable attention in recent years. The reason is the high Mid-IR spectral specificity of many gases and complex molecules. In this pilot study we focus on picosecond upconversion imaging exploiting the χ(2) nonlinearity of a bulk lithium niobate crystal as a means to convert the optical Mid-IR signal into the visible wavelength region, thus allowing the use of fast and sensitive silicon based CCD cameras. The picosecond upconversion system is synchronously pumped in order to increase the quantum efficiency, hence allowing for upconversion of faint pulsed Mid-IR light.
    Original languageEnglish
    Title of host publicationProceedings of SPIE
    Number of pages7
    Volume10088
    PublisherSPIE - International Society for Optical Engineering
    Publication date2017
    Article number100880L
    DOIs
    Publication statusPublished - 2017
    EventNonlinear Frequency Generation and Conversion 2017: Materials and Devices XVII - The Moscone Center, San Francisco, United States
    Duration: 27 Jan 20171 Feb 2017

    Conference

    ConferenceNonlinear Frequency Generation and Conversion 2017
    LocationThe Moscone Center
    Country/TerritoryUnited States
    CitySan Francisco
    Period27/01/201701/02/2017
    SeriesProceedings of S P I E - International Society for Optical Engineering
    ISSN0277-786X

    Bibliographical note

    Copyright 2017 Society of Photo Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.

    Keywords

    • Nonlinear wave mixing
    • Infrared imaging
    • Upconversion
    • Pulsed laser

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