Time-Resolved Fourier Spectroscopy For Activated Optical Materials

    Authors

    H. Weidner;R. E. Peale

    Comments

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    time resolved; Fourier; spectroscopy; laser crystals; FT-IR EMISSION; STEP-SCAN; DYNAMICS; Optics

    Abstract

    A low-cost add-on to commercial Fourier-transform spectrometers that have a continuously scanning Michelson interferometer has been developed for high-resolution, broadband, time-resolved spectroscopy. A number of innovations have been implemented to enable near-IR, visible, and UV photoluminescence studies. These include error correction and normalization of interferogram points to correct for laser intensity variations and missed shots, reduction of mirror-speed variations with recognition and avoidance of the timing mistakes they cause, and simple white-light-interferogram advancement optics that leave high-frequency modulation efficiency for the signal of interest unchanged in dynamically aligned systems. Application to energy-transfer phenomena in solid-state-laser media is described. (C) 1996 Optical Society of America

    Journal Title

    Applied Optics

    Volume

    35

    Issue/Number

    16

    Publication Date

    1-1-1996

    Document Type

    Article

    Language

    English

    First Page

    2849

    Last Page

    2856

    WOS Identifier

    WOS:A1996UQ48200014

    ISSN

    0003-6935

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