泵浦能量 的英文怎麼說

中文拼音 [bèngnéngliáng]
泵浦能量 英文
pump energy
  • : 名詞(吸入和排出流體的機械) pump
  • : 1. (水邊或河流入海的地方, 多用於地名) riverside; river mouth2. (姓氏) a surname
  • : 能名詞(姓氏) a surname
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 能量 : 1 [物理學] energy; amount of energy 2 (能力) capabilities; capacity; 能量不滅 conservation of e...
  1. In order to obtain the maximum conversion efficiency we always hope the pump source is operated at the maximum level, thus to raise the input pump energy, we have to apply the galilean telescope to input the pump beam, but it will lead to the bad pump beam quality and the large output beam linewidth

    為了獲得最大轉換效率總希望使源運轉在可達到的最高水平,因此不得不採用伽利略壓縮望遠鏡輸人光以提高輸人光的,但是這同時使光質變壞,使得輸出線寬變大。
  2. 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ldnd : yag激光器的發展狀況、主要特性及其應用,從四級速率方程出發,推導了ldnd : 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nd : yag激光器的設計方法,給出了一定耦合方式下,振蕩光模尺寸、最佳輸出耦合率、光模尺寸、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ldnd : yag激光器和透鏡組耦合高功率ldnd : 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ldnd : 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光焦斑的縱向位置成高斯變化規律,測范圍和靈敏度依賴于功率,隨著功率的增加,測范圍擴大,靈敏度提高,當端面功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. By comparing to that of bbo, we can see that the threshold of clbo is lower than that of bbo. thus clbo provided another excellent crystal in dro if the pump power is low

    從結果可以看出,在平面波雙諧振下, clbo晶體的振蕩閾值低於同等條件下的bbo晶體,從而為連續波、長脈沖等較小的源提供了更加優良的可選晶體。
  4. We presents a detailed studied of the linewidth of parametric light in clbo - opo caused by the linewidth of pumping beam, off axis phase matching, divergence angle of pumping, time above threshold, high gain coefficient of nlo crystal, fluctuate of cavitylength, spontaneous radiation, according to the momentum and energy conversion laws, and the sellmeier equations of the clbo, we calculated curves of the type - i and type - ii compared with the bbo ' s

    根據守恆關系和clbo的色散方程,詳細分析了由於光的線寬、光偏軸光的發散角、光功率超過參光振蕩閾值一定倍數、高增益系數、有效腔長波動以及自發輻射引起的參光線寬,並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  5. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面nd : gdvo4 / ktp ,用cr4 + : yag作為可飽和吸收片的綠光激光器,腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖為2 . 6閃、峰值功率為glw的調q綠光輸出。
  6. In addition, a new type of phase conjugator using tapered fiber is designed, which combined the higher reflectivity of small core - diameter fiber and higher damage threshold of large core - diameter fiber. the theoretical analysis has also been carried out in section iv. applying it in double - pass system, the maximum sbs reflectivity arrives at 85 % and relative stability arrives at 90 %, which is more than that of common optical fiber phase - conjugator

    為了獲得更高的反射率和穩定性,我們自行設計了一種新型的錐度光纖,並應用於ld的雙通放大dpl系統中;實驗表明:應用錐度光纖相位共軛器可以獲得高達85的反射率和90的相對穩定度。
  7. Introducing abcd theory, the laser mode was analyzed ; with thermal effect consideration, a short folded - cavity resonator which was not sensitive to thermal effect was designed. thus, the requirements for efficient doubling frequency were satisfied. 3

    採用標準abcd傳輸矩陣理論,對激光器腔模式進行了詳細的分析,在充分考慮熱效應的前提下,根據實際情況,合理設計出對熱效應不敏感的三鏡折疊腔,產生兩個光腰,既滿足了的充分利用,也滿足了縮小光腰提高倍頻效率的要求。
  8. Furthermore, the variation of sbs performance parameters, such as threshold and reflectivity, with parameters of pumping laser and multi - mode optical fiber has been researched by analysis of the numerical solution. experiments have also been operated in ld - pumped solid - state laser system with high - repetition more than 100hz and narrow pulse - width between 15ns and 47ns. the experimental results agree with calculated results by the theoretical model

    第三章在重復頻率100hz 、脈寬15 47ns可調的dpl系統中,實驗研究了不同芯徑、長度的光纖在不同、脈寬的激光下sbs閾值、反射率等性參數等變化趨勢,實驗結果和理論分析一致。
  9. The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %

    本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上,長度80mm以上的平界面無核心nd : cngg單晶,確定了晶體結構和物相,測了晶體的光譜性,晶體消光比達到34db ,晶體生長技術有新的突破,實現了連續激光運轉,用單支807nm半導體激光二極體端面該晶體片子,在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出,斜效率達22 . 3 % 。
  10. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據自調q二極體固體激光器的特點,計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖、脈沖寬度和利用率的影響,並由此提出了設計自調q激光器中的參數選擇規律。
  11. At the case of excess of nonlinear effects appearance threshold, not only are quality reduction of the wave front passing optical elements and energy losses possible, but also the fatal destruction of optical elements in themselves are the most grievous

    光強度超過產生非線性效應的閾值時,激光通過諧波轉換晶體后,不但光束波前質將有可變差,而且還會損失一部分,更嚴重的是光學元件的致命破壞。
  12. ( 3 ) properties of yag laser q - switching by sbs were experimentally investigated, and the laser without back reflective mirror was devised, and laser pulse was obtained at repetition rate ihz and 5hz by optimizing lens focal length, length of cell and position of lens focal. point, resulting quality of pc is ideal

    ( 4 ) 、實驗研究了sbs的yag激光器,設計了無後向反射鏡的sbsyag激光器。在泵浦能量17j 、重復頻率分別為1hz 、 5hz時,得到穩定輸出的為19mj 、脈寬為10 . 7ns 、光束質很好的激光脈沖。
  13. The analyzing model was established, and a novel inner - cladding structure of dcf with higher performance was designed. integrated by the absorption and emission characteristics of rare - earth - ions in dcf and the ld ' s pumping principle with its relative references, the - academic model of high power dcf laser with f - p cavity was based, by using methods of numerical analysis, the high power dcf laser was simulation with good results and consistency

    結合稀土離子的吸收及發射特性及二極體固體激光原理,應用相關的理論建立了高功率f - p腔型光纖激光器的理論分析模型,利用matlab 、 mathcad , origin等軟體,採用數值計算及分析方法,結合具體參數值對實驗進行了模擬分析,並研究了不同特性參對激光器性的影響。
  14. And the pulse duration was compressed from 420 to 220fs by compensated gvd broadening with prism pairs, the intensity achieved on target reached 1017w / cm2. furthermore, the 50mj uv pulse was boosted to 2 - 3j by e - beam pumped amplifier, the laser power reached as high to 2tw

    並採用「天光一號」電子束krf激光器進行紫外超短脈沖激光的進一步放大,獲得2 3j 、脈沖寬度約1 . 2ps的紫外超短脈沖激光輸出,激光功率達到2tw 。
  15. As an example, we studied the co - propagation of two soliton beams with one ' s amplitude is much stronger than another. it is then found that the weaker ( probe beam ) can experience a very large phase shift within a rather short propagation distance by modulating the input power of the stronger ( pump beam ). chapter 3, nnlse is simulated for two beams propagation

    以振幅一強一弱共同傳輸的孤子光束為例進行了具體研究,相位分析顯示,與局域孤子相比,孤子光束在相當短的傳輸距離之內產生大的相移,可以通過對強光(光)的調控來實現對弱光(信號光)的相位調制。
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