本文選題：物理光學(xué) + 因斯-高斯光束��； 參考：《河南科技大學(xué)學(xué)報(bào)(自然科學(xué)版)》2017年06期

【摘要】：研究了因斯-高斯(IG)光束級數(shù)m較小時(shí),分立光瓣模式的光強(qiáng)分布。通過數(shù)值模擬,對IG奇偶模式以及奇偶模式線性疊加生成的PIG分立光瓣模式的光強(qiáng)進(jìn)行了分析。分析結(jié)果表明:m較小時(shí),PIG分立光瓣模式光瓣的空間位置介于奇偶模式之間,但是光瓣的光強(qiáng)分布變化較為明顯。同一模式光瓣角向橢圓變量越接近于橢圓長軸,其光強(qiáng)比重越大。在統(tǒng)一總光強(qiáng)后,相同階數(shù)與級數(shù)的不同模式光瓣總光強(qiáng)與角向橢圓變量差為一個(gè)三次函數(shù)的關(guān)系。對于偶模橢圓長軸上的光瓣,隨著該模式通過PIG~(π/2)模式轉(zhuǎn)化為奇模,該光瓣上的光強(qiáng)分布逐漸由彌散向著逆時(shí)針方向集中。
[Abstract]:The intensity distribution of discrete lobes with a small series m is studied. Through numerical simulation, the light intensity of IG discrete optical lobe mode generated by linear superposition of IG parity mode and parity mode is analyzed. The results show that the spatial position of the split light lobe is between parity mode and parity mode, but the light intensity distribution of the light lobe is more obvious. The closer the elliptical variable of the same mode is to the elliptical axis, the greater the specific gravity of light intensity is. After the unified total light intensity, the relation between the total light intensity of different modes of the same order and series and the difference between the total light intensity and the angular elliptic variable is a cubic function. For the optical lobes on the long axis of even mode ellipse, the intensity distribution of the optical lobes is gradually concentrated from dispersion to counterclockwise with the mode transformed into odd mode by pig (蟺 / 2) mode.
【作者單位】： 河南科技大學(xué)物理工程學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(61205086,11504091) 瞬態(tài)光學(xué)與光子技術(shù)國家重點(diǎn)實(shí)驗(yàn)室開放基金項(xiàng)目(SKLST201203) 河南省高等學(xué)校青年骨干教師資助計(jì)劃基金項(xiàng)目(2013071)
【分類號】：O436

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本文編號：2017894