Tunable narrowband filter based on a combination of Fabry-Perot etalon and volume Bragg grating

    Authors

    J. Lumeau; L. B. Glebov;V. Smirnov

    Comments

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    Abbreviated Journal Title

    Opt. Lett.

    Keywords

    THIN-FILM FILTERS; Optics

    Abstract

    A new type of tunable narrowband filter is proposed. This filter is a combination of a Fabry-Perot etalon, which permits the selection of a comb of discrete narrow bands, and a high-efficiency rotating volume Bragg grating recorded in photo-thermo-refractive glass, which permits tuning between the Fabry-Perot resonances. A tunable filter for fixed wavelengths in the region of 1.5 mu m with a spectral width of 220 pm (FWHM), separation between channels of 800 pm, and throughput of 95% (losses < 0.2 dB) is demonstrated. 0 2006 Optical Society of America.

    Journal Title

    Optics Letters

    Volume

    31

    Issue/Number

    16

    Publication Date

    1-1-2006

    Document Type

    Article

    Language

    English

    First Page

    2417

    Last Page

    2419

    WOS Identifier

    WOS:000240008400013

    ISSN

    0146-9592

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