泵浦功率值 的英文怎麼說

中文拼音 [bèngpǔgōnglǜzhí]
泵浦功率值 英文
edfa pumpower ems
  • 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
  • 功 : 名詞1 （功勞） exploit; merit; meritorious service [deed]: 戰功 military exploits; 立功 render me...
  • 率 : 率名詞（比值） rate; ratio; proportion
  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. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料，對該種激光器進行了深入的研究，通過對yag棒直徑的合理選取併合理地改進反射鏡面，從而既保證了光束質量又最大限度的增加了吸收長度，有效的提高了泵浦效率；在不影響泵浦的前提下，通過有效縮短yag棒的長度減小輸出損耗；對yag棒的水冷系統進行優化結構設計，使激光器體積減小到國外同類產品體積的一半，而輸出功率已達到國外同類產品的極限值。
  3. 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

    根據能量動量守恆關系和clbo的色散方程，詳細分析了由於泵浦光的線寬、泵浦光偏軸泵浦、泵浦光的發散角、泵浦光功率超過參量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量光線寬，並得到了與bbo晶體在類、類相位匹配下比較的理論曲線。
  4. 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端面泵浦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 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。
  5. The nonuseful loss of cavity were got by measuring the threshold of laser under the different output mirrors. the loss was caused by prague angle unmatching. 3. the pulse train with minor pulse width 22ns and frequency 23khz, peak power 3. 5kw were obtained in cr4 " : yag passively q - switch experience. the stability of pulse is 6 %

    （ 3 ）實現了在大功率泵浦、無水冷的情況下cr ~ （ 4 + ） : yag飽和吸收體被動調q ，得到了最小脈寬為22ns 、重復頻率為23khz 、峰值功率為3 . 5kw的激光脈沖輸出，脈沖的穩定性為6 。
  6. It is found that the peak power of pump pulse is important and the fourth and fifth dispersions are crucial to flatly wideband sc generation from the fiber. the results show that the higher - order nonlinear effects on sc generation can be ignored

    研究結果表明，泵浦脈沖峰值功率對sc譜的產生有著重要影響，光纖的四階、五階等高階色散的綜合作用對sc譜的形成起決定因素，高階非線性效應（ raman自散射和自變陡效應）的影響可以忽略。
  7. 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。
  8. We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level

    給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和熔化極限與光纖結構參數和泵浦功率的表達式，理論分析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高時激光增益下降，在一定的功率水平上需要進行外界的冷卻，以保證泵浦激光的效率和高功率的激光輸出。
  9. Diode pumped solid - state q - switched laser is a good source of pulse laser with high peak power and high repetition rate

    而ld泵浦的固體調q激光器是產生高峰值功率脈沖激光的優質光源。
  10. To accelerate the development of next generation high dwdm system, the pape r also researches the property of gain. based on optical wave nonlinear transmission equation, the gain model of fra is established. by the way of numerical analysis, it is obtained that the gain of fra has relation with pump power, input signal wave power, the effective area and absorption of fiber. the obtained conclusion has definite instruction to the design of fra

    為了促進下一代超高速dwdm密集波分復用技術的發展，本文還研究了光纖喇曼放大器的增益特性，根據光波非線性傳輸方程建立光纖喇曼放大器增益模型，通過數值模擬分析了泵浦波功率、信號輸入光功率、以及光纖有效面積和損耗對光纖喇曼放大器增益的影響，得出了一些對光纖喇曼放大器的設計有一定的指導意義的結論。
  11. Because of high threshold of 946 nm laser, severe thermal lens effect will appear when the 946 nm laser operations. in the consideration of thermal lens effect, the - optimized folding cavity has been devised. the relation between thermal lens effect and the radius of laser beam waist has been given as well

    由於946nm激光閾值很高，需要更強的泵浦功率密度，因此較大功率藍光激光器的熱透鏡效應將會比紅光和綠光激光器更明顯，而熱透鏡效應是影響激光功率提高和激光輸出穩定性的重要原因，所以在考慮到激光晶體熱透鏡效應的情況下，優化設計了折疊腔結構，並給出了熱透鏡效應和折疊腔中腔模半徑大小的關系。
  12. Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too

    本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析，然後，根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式，採用泵浦-探測波的方法，利用超輻射激光二極體（ superluminescentdiode簡稱sld ）作為探測光源，測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數，之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算，在給定了兩個泵浦光源的波長和最大功率后，找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率，同時也分析了導致信號光飽和的原因。
  13. Both of the numeric simulations and the experimentations indicate that the c band raman fiber amplifier can be satisfied with some gain flatness when numbers and wavelengths of pump are installed while powers of pump are arranged properly. the method of measuring fiber raman gain coefficient is adopted to other type

    數值計算和試驗上都證明了在合理地選取泵浦源的個數和波長的情況下，通過對各個泵浦功率配置的調整， c波段的拉曼光纖放大器可以滿足一定的增益平坦度。
  14. 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二極體泵浦固體激光器的特點，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、單脈沖能量、脈沖寬度和能量利用率的影響，並由此提出了設計自調q激光器中的參數選擇規律。
  15. Secondly, novel genetic algorithm is developed to optimize the wavelength and power value of the pumping sources in the mutli - wavelength backward pumping fra to get the best gain flatness

    第二設計新型的遺傳演算法，結合前面提到的多維并行打靶法來優化多波長後向泵浦fra各個泵浦光的波長、功率值，以得到更好的增益平坦度。
  16. 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泵浦固體激光原理，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，結合具體參量數值對實驗進行了模擬分析，並研究了不同特性參量對激光器性能的影響。
  17. The tapered and semi - tapered fiber can be arranged in line or array, which has the wide application to the laser diode pumping solid state laser and the power outputting of the high - power laser diode array

    這種錐形和半錐形光纖耦合系統可以方便的排成線陣或陣列，在二極體激光器泵浦固體激光器的泵浦光源輸出、大功率半導體激光器陣列的光功率輸出都有重要的應用價值。
  18. Diode - pumped q - switch solid - state lasers have many advantage such as high efficiency, compactness, high stability, and long lifetime. high peak power, high repetition rate short - pulse can be obtained by high power diode pumped, which is used comprehensively in the field such as measuring, remote sensing, photoelectric resisting, medical et

    激光二極體（ laserdiode ，簡稱ld ）泵浦的調q固態激光器具有結構緊湊、穩定性好、壽命長等優點，用大功率ld作為泵浦源，可以獲得高重復頻率、大峰值功率的窄脈沖激光，這在激光測量、光電對抗、激光遙感、激光醫療等領域有著非常廣闊的應用前景。
  19. An amplified pump module with a peak power of 6500w and duty cycle of 12. 5 % was developed successfully

    實驗研製出峰值功率6500w 、占空比12 . 5的nd ： ayg棒放大泵浦模塊。
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