有效光闌 的英文怎麼說

中文拼音 [yǒuxiàoguānglán]
有效光闌 英文
effective diaphragm
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 闌 : Ⅰ名 （門口的橫格柵門） door screenⅡ動詞（遮攔; 阻隔） bar; separateⅢ形容詞[書面語] （將盡） （of time） late
  • 有效 : effective; valid; efficacious
  1. A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures

    摘要採用一種簡單有效的方法，模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射分佈，並與經圓孔硬邊光闌的衍射作了比較。
  2. In order to filter out the noise contained in effective optical signal, a new method using the blazed grating to enlarge the angle difference between noise and effective signal, and getting through the iris to get the effective signal was put forward

    摘要為了濾除有效光信號中的光噪聲，本文提出了一種利用光柵的閃耀特性將噪聲和有效信號之間的夾角角度差放大，再通過光闌得到有效光信號的方法。
  3. Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly

    實驗上採用對熱效應不敏感的三鏡折疊腔， ld泵浦nd : yag ，類相位匹配lbo作為倍頻晶體，獲得了1 . 1瓦的連續473mn藍光輸出；採用腔內插入光闌的方法，有效克服了功率抖動，同時改善了光斑模式；實驗中發現準三能級激光器存在兩個空間模式匹配比例關系，並對這一現象給出了合理的解釋。
  4. It is shown that, the use of serrated apertures can suppress the high frequency diffraction of axial intensity and reduce the nonuniformity of transversal intensity distributions

    結果表明，齒形光闌能有效抑制光強的高頻衍射，並降低橫向光強分佈的不均勻性。
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