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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28216


    Title: Nondestructive measurement of loss performance in channel waveguide devices with phase modulator
    Authors: Sheu,LG;Lee,CT;Lee,HC
    Contributors: 光電科學研究所
    Date: 1996
    Issue Date: 2010-06-29 19:44:08 (UTC+8)
    Publisher: 中央大學
    Abstract: A novel method using a phase modulator is proposed for the nondestructive measurement of propagation loss in a channel waveguide. The phase modulator was fabricated on a Ti-diffused LiNbO3 crystal. Tuning the effective optical length of a waveguide by application of an electrical field on the phase modulator, the contrast of the resultant Fabry-Perot resonator in a channel waveguide device can be measured. The associated propagation attenuation coefficients are determined from the experimental results. Coordination of the phase modulator with an optical channel waveguide device not only allows measurement of the bending loss, but improvement in the relative intensity noise owing to the reduction of the reflected power.
    Relation: OPTICAL REVIEW
    Appears in Collections:[光電科學研究所] 期刊論文

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