Compact tunable microwave filter using retroreflective acousto-optic filtering and delay controls

    Authors

    N. A. Riza;F. N. Ghauri

    Comments

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    TRANSVERSAL FILTER; BRAGG GRATINGS; LINE FILTERS; Optics

    Abstract

    Programmable broadband rf filters are demonstrated using a compact retroreflective optical design with an acousto-optic tunable filter and a chirped fiber Bragg grating. This design enables fast 34 mu s domain analog-mode control of rf filter time delays and weights. Two proof-of-concept filters are demonstrated including a two-tap notch filter with > 35 dB notch depth and a four-tap bandpass filter. Both filters have 2-8 GHz tunability and a 34 mu s reset time.

    Journal Title

    Applied Optics

    Volume

    46

    Issue/Number

    7

    Publication Date

    1-1-2007

    Document Type

    Article

    Language

    English

    First Page

    1032

    Last Page

    1039

    WOS Identifier

    WOS:000244500800005

    ISSN

    1559-128X

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