National Tsing Hua University Institutional Repository:Performance of the Integrated Optic Spectrum Analyzer
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    Title: Performance of the Integrated Optic Spectrum Analyzer
    Authors: Joseph, T.R.
    Ranqanath, T.R.
    Lee, J.Y.
    Pedinoff, M.
    Date: 1981
    Publisher: Institute of Electrical and Electronics Engineers Inc.
    Keywords: Integrated
    Spectrum Analyzer
    Abstract: The integrated optic spectrum analyzer is adevice which u t i l i z e s the Bragg interaction between a SAW and a guided o p t i c a l beam to perform spectral analysis. Hughes has developed the f i r s t f u l l y integrated IOSA which uses a butt-coupled GaAlAs semiconductor laser, a LiNbO3 waveguide substrate, a 400 MHz bandwidth SAW transducer and a s i l i c o n detector/CCD array chip. The completed device exhibited a 3 dB bandwidth of 380 MHz with 10%/watt deflection efficiency a t hopt. = 0.82 Um. tion w a s found t o be 8 MHz and the dynamic range was greater than 20 dB. D a t a is also discussed on a modified chirp transducer which exhibits a 450 MHz acousto-optic bandwidth with a center frequency of 1.0 GHz.
    Relation Link: Ultrasonics Symposium, On page(s): 721- 726, 1981
    Appears in Collections:[Department of Electrical Engineering] EE Journal / Magazine Articles
    [Institute of Electronics Engineering ] ENE Journal / Magazine Articles

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