條式模腔 的英文怎麼說
中文拼音 [tiáoshìmóqiāng]
條式模腔
英文
bar cavity- 條 : Ⅰ名詞1 (細長的樹枝) twig 2 (條子) slip; strip 3 (分項目的) item; article 4 (層次; 秩序; 條...
- 式 : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 腔 : 名詞1. (動物體內空的部分) cavity; chamber 2. (話) speech 3. (樂曲的調子) tune; pitch 4. (說話的腔調) accent; tone
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It also roundly researched the solution of the helmholtz equation in the circumrotating ellipsoidal coordinates, and discussed how to calculate the solution of the electro - magnetic field in the circumrotating ellipsoidal coordinates using special functions, and researched circumrotating ellipsoidal cavity ’ s latent value and quality parameter using arithmetic simulation, finally we compared the ellipsoidal cavity with the spheriform cavity. the main content of this thesis are as following : 1. calculated the distribution of the electro - magnetic field inside the ellipsoidal cavity based on maxwell equations and boundary conditions, and confirmed the syntonic mode inside the ellipsoidal cavity using arithmetic methods
本文從maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,較為全面的研究了旋轉橢球坐標系下赫姆霍茲方程的解的問題,討論了用特殊函數來求解旋轉橢球坐標系下電磁場的解,並通過數值模擬研究了旋轉橢球諧振腔的本徵值和品質因數,並和球形諧振腔做了比較,主要內容為: 1 .用maxwell方程及其邊界條件求解出橢球腔內的電磁場分佈,並且分析了橢球腔內的諧振模式。Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity
首先,我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較,選取nd : yag作為增益介質, lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值,如增益介質長度、模式交疊率、最佳倍頻條件,並根據理論分析結果設計了諧振腔。2. we design a configuration of frequency - doubler according to the optimum focus condition and the cavity stability condition | a + d | < 2 and optimize it based on " mode - matching " and " optimum coupling ". 99. 96 % of optical impedance - match efficiency and over 95 % of spatial mode - matching efficiency are achieved eventually by using t = 10 % of input coupler in our experiment
( 2 )根據最佳聚焦條件和腔的穩定性條件( | a + d | 2 )對四鏡環型倍頻腔進行了設計,並分別從「模式匹配」和「最佳輸入耦合鏡透射率的選擇」兩方面著手對腔進行優化,在我們的實驗中採用10的輸入耦合鏡,獲得阻抗匹配效率為99 . 96 ,空間模式匹配效率高於95以上的模式。The equivalent cavity model is used to deduce the threshold condition of the ecld, and the expression of the threshold carrier density n ( v ) when ecld is tuned to oscillate at different frequencies has been obtained. using the expression of n ( v ) and the carrier dependent refractive index, the simple basic equation describing the bistable characteristics has been derived after choosing an appropriate reference frequency nf
通過建立等效腔模型來推導外腔半導體激光器的閾值條件,得到ecld在不同頻率v振蕩所需的閾值載流子密度n ( v )表達式,利用該表達式及相關的折射率表達式,在選擇合適的參考載流子密度n _ f后,導出了一個描述雙穩所需的基本方程。The simulation results show that to start the oscillation, the length of the resonance cavity must be well matched with the radial span of the cavity ; mismatch of them will greatly affect the microwave development ; the output power of the microwave in rtto is affected by the microwave mode obviously. under the same conditions, the output power for temooi mode is the highest, and its start and saturation time of oscillation are the shortest. the results also show that the output power will decrease with the increase of the size of the extract window ; the operating state of rtto has great close relationship with the operating current, and there exists an optimum current value
結果表明,束電壓一定時,諧振腔腔長和徑向間距必須良好匹配微波才能起振,匹配不佳會極大地影響微波產生;微波模式對微波產生功率影響很大,同等條件下, tem _ ( 001 )模式的微波功率最高,起振時間和飽和時間最短;微波輸出功率隨提取口的增大而減小; rtto工作狀態與工作電流的大小關系密切,存在一個最佳工作電流值。分享友人