泵浦速度 的英文怎麼說

中文拼音 [bèngpǔsùdù]
泵浦速度 英文
pumping speed
  • 泵 : 名詞（吸入和排出流體的機械） pump
  • 浦 : 1. （水邊或河流入海的地方, 多用於地名） riverside; river mouth2. （姓氏） a surname
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  2. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上，給出了一整套bbo - opo激光參數設計方案：計算了不同泵浦強度下的參量放大倍數；詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線，以及非共線類相位匹配調諧曲線；分析了走離角對非線性系數和群速匹配的影響；計算了參量過程的允許角；計算了bbo - opo的理論閾值條件；分析了飽和與泵浦光束的消耗過程；給出了轉換效率與超過泵浦閾值的倍數的關系；討論了轉換效率與輸出鏡反射率的關系；討論了線寬控制的各種方法；研究了利用非穩腔改善光束質量的方法；考慮了bbo晶體的設計。
  3. In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched

    首先，從er ~ （ 3 + ） - yb ~ （ 3 + ）能級結構出發，結合激光穩態速率方程與傳輸方程，對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析，並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。
  4. The gain characteristics of edwa have been investigated by solving numerically propagation equations and rate equations at pump wavelength 980nm. the gain characteristics are functions of waveguide length, erbium concentration and pump light power, so the relations between them are analyzed in detail in this paper. the size of edwa is also discussed here, which has some reference value for the following study and the design of waveguide amplifier

    通過解析速率方程和傳輸方程，在波長為980nm泵浦光作為泵浦源的條件下，對摻鉺光波導放大器的增益特性進行了分析，由於波導放大器的增益是波導長度、摻鉺濃度和泵浦功率的函數，因此本論文對三者與信號增益的關系分別進行了討論。
  5. Finally, the experimental results obtained at three types of laser which was used as the pump source were presented, the experimental results were analyzed and some factors which effect the testing precision and rate of the pbd technique were discussed. in the end of the paper, the lab work was summarized and the future plan was viewed

    最後給出了應用三種不同的激光器作為泵浦源而得到的實驗結果，對這些實驗結果作了對比分析，並對一些影響光熱偏轉法測量精度和速度的因素作了討論和總結，並提出了今後的發展思路。
  6. Finally, for the multi - wavelength backward pumping fra problems, which are very hard to cope with, we proposed multi - dimension parallel shooting method. the simulation results demonstrate that this method is very useful in solving the raman coupled equations, which are representative of the highly nonlinear problems. the shooting can be converged in short time ( the shooting deviation can be less than 10 - 8 after 6 shooting when there are 8 pumping wavelengths )

    最後，對于最難求解的多波長後向泵浦fra問題，本文提出了多維并行打靶思想， matlab下數值模擬證明，該多維并行打靶法非常適合求解拉曼耦合方程這類高度非線性的問題，打靶過程收斂速度較快（八波長泵浦時只需打靶6次就可以使打靶偏差小於10 - 8 ） 。
  7. Formula of gain has been developed by rate equations, several factors, such as doped concentration of er3 + - yb3 +, configuration of waveguide amplifiers and pump power etc, have been analyzed to increase gain

    由速率方程得出光波導放大器的增益公式，分析影響放大器增益的各個因素。主要從鉺鐿離子的摻雜濃度，放大器的結構及泵浦功率三方面加以討論。
  8. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似，獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程，並通過數值求解該方程比較了兩種近似下脈沖特性的不同； 5 .實驗驗證了2中提出的實驗方案，並對實驗結果進行了分析。
  9. Among them, the end - pump arithmetic has fast resolution velocity, and the multi - point pump arithmetic has high reliability. 3

    其中端面泵浦演算法有較高的計算速度，多點泵浦演算法有很高的可靠性。
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