對(duì)稱平板波導(dǎo)的模式計(jì)算課程設(shè)計(jì)(論文)-wenkub
2022-09-07 13:48:10 本頁(yè)面
【正文】 ............................................................... 1 2 原理 分析 ..................................................................................................................... 2 均勻介質(zhì)薄膜波導(dǎo) .......................................................................................... 2 平面光波導(dǎo) ...................................................................................................... 3 平板波導(dǎo)的波動(dòng)理論 ...................................................................................... 5 3 對(duì)稱平面波導(dǎo)的 BeamPROP 仿真設(shè)置 .................................................................. 7 4 平面波導(dǎo)仿真圖 ...................................................................................................... 12 波導(dǎo)結(jié)構(gòu)觀察 ................................................................................................ 12 波導(dǎo)傳輸仿真 ................................................................................................ 12 不同模式仿真圖 ............................................................................................ 13 5 總結(jié) .......................................................................................................................... 17 參考文獻(xiàn) ...................................................................................................................... 18 武漢理工大學(xué)《光電子 應(yīng)用 》課程設(shè)計(jì)說(shuō)明書 I 摘要 能夠引導(dǎo)光束的傳播，從而使光束的能量在橫的方向上受到限制，并使損耗和噪聲降到最小，這種器件通常稱為光波導(dǎo)，簡(jiǎn)稱波導(dǎo) 光束在介質(zhì)中傳輸時(shí)，由于介質(zhì)的吸收和散射而引起損耗，由于繞射而引起發(fā)散，這些情況都會(huì)導(dǎo)致光束中心部分的強(qiáng)度不斷地衰減。這種波導(dǎo)的介電常數(shù)分布是陡變的，也稱為階梯變化的，常稱這種波導(dǎo)為平板波導(dǎo)。 關(guān)鍵詞 ： 波導(dǎo) 模式計(jì)算 仿真 武漢理工大學(xué)《光電子 應(yīng)用 》課程設(shè)計(jì)說(shuō)明書 II Abstract Propagating light beams can be guided, so that the energy of the beam in the horizontal direction is restricted, and to minimize losses and noise, such devices monly referred to as an optical waveguide, the waveguide short When the beam propagating in a medium, the medium due to absorption and scattering caused by the loss, due to the divergence caused by diffraction, these conditions could result in the central portion of the intensity of the beam attenuation constant. Therefore, it is necessary to design a device which can guide the propagating light beams, so that the energy of the beam in the horizontal direction is restricted, and to minimize losses and noise, such devices monly referred to as
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