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    高師機構典藏 NKNUIR > 理學院 > 物理學系 > 期刊論文 >  Item 987654321/10769
    Please use this identifier to cite or link to this item: http://ir.nknu.edu.tw/ir/handle/987654321/10769


    題名: Transverse effects in a microchip laser with asymmetric end-pumping: Modal interference and dynamic instability
    Authors: 柯景元
    Jing-Yuan Ko;K. Otsuka;J. Y. Ko;H. Makino;T. Ohtomo;A. Okamoto
    貢獻者: 物理系
    Keywords: Mathematical physics;Optics;quantum optics;lasers
    Date: 2003-06
    Issue Date: 2010-11-11 09:07:13 (UTC+8)
    Abstract: Formation of complicated emission patterns consisting of many transverse modes and associated intensity pulsations at beat frequencies between some pairs of transverse eigenmodes in microchip solid-state lasers with laser-diode asymmetric end-pumping are reviewed. The dependence of billiard-like transverse patterns on pump power and crystal rotation (i.e. kaleidoscopic patterns) was demonstrated in a 0.3 mm thick thin-slice LiNdP4O12 laser with sheet-like end-pumping. Pump-power-dependent high-speed self-pulsations were observed. The asymmetric optical confinement resulted in the formation of transverse patterns which were totally different from normal Hermite–Gaussian resonator modes. The interference among pairs of non-orthogonal transverse eigenmode fields, whose energy levels exhibited avoided crossing with increasing pump power, was shown to result in high-speed intensity modulations. A good numerical reproduction of the observed high-speed modulations was obtained with model equations.
    關聯: Journal of Optics B: Quantum and Semiclassical Optics / Volume 5 Number 3
    Appears in Collections:[物理學系] 期刊論文
    [物理系] 柯景元

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