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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Z-scan study of thermal nonlinearities in silicon naphthalocyanine-toluene solution with the excitations of the picoseconds pulse train and nanosecond pulse


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/72205


    Title: Z-scan study of thermal nonlinearities in silicon naphthalocyanine-toluene solution with the excitations of the picoseconds pulse train and nanosecond pulse
    Authors: Sidney S. Yang;Tai-HueiWei;Tzer-Hsiang Huang;Yun-Ching Chang
    教師: 楊士禮
    Date: 2007
    Publisher: Optical Society of America
    Relation: Optics Express, Optical Society of America, Volume 15, Issue 4, 2007, Pages 1718-1731
    Keywords: Z-scan
    thermal
    nonlinearities
    silicon
    naphthalocyanine-toluene
    picoseconds
    nanosecond
    Abstract: Using the Z-scan technique, we studied the nonlinear absorption and refraction behaviors of a dilute toluene solution of a silicon naphthalocyanine (Si(OSi(n-hexyl)3)2, SiNc) at 532 nanometer with both a 2.8-nanosecond pulse and a 21-nanosecond (HW1/eM) pulse train containing 11 18-picosecond pulses 7 nanosecond apart. A thermal acoustic model and its steady-state approximation account for the heat generated by the nonradiative relaxations subsequent to the absorption. We found that when the steady-state approximation satisfactorily explained the results obtained with a 21-nanosecond pulse train, only the thermal-acoustic model fit the 2.8-nanosecond experimental results, which supports the approximation criterion established by Kovsh et al.
    Relation Link: http://www.osa.org/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/72205
    Appears in Collections:[電機工程學系] 期刊論文

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