泵的輸出端 的英文怎麼說
中文拼音 [bèngdeshūchūduān]
泵的輸出端
英文
delivery side of pump- 泵 : 名詞(吸入和排出流體的機械) pump
- 的 : 4次方是 The fourth power of 2 is direction
- 輸 : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
- 端 : Ⅰ名詞1 (東西的頭) end; extremity 2 (事情的開頭) beginning 3 (門類; 方面) item; point 4 (原...
- 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
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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 。This is the maximum output source or sink current that can flow safely into an output terminal of the device at voltages within the normal operating range
持續輸出電流是指器件的輸出端可以安全地注入或泵出的最大電流。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。Adopted three layers of c / s and b / s mixed mode, utilized chinese windows2000 operating system platform and delphi 6 in the system, oil recovery engineering management information system based on internet / intranet multi _ tier distributed mode was designed and developed. the system was implement the control of pump state and sucker rod fractures information management and issue > report outputs system maintenances the output predicted to recover the oil and so on. in addition, the project built can be optimized by analytic and terminal users can also know the latest and future dynamic of production. at present, this system already in daqing recover the oil 8 factorie test and run
系統中採用了三層的c s和b / s混合模式,利用中文windows2000操作系統平臺和delphi6 . 0等工具設計並開發了基於internet intranet的採油工程管理信息系統。該系統可實現泵況控制、抽油桿斷脫控制、信息管理、發布、報表輸出、系統維護、採油產量預測等功能,並且可以依據分析結果優化施工方案,能夠讓各個終端用戶了解最新和未來的生產動態。目前,此系統已經在大慶採油八廠測試運行。Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode
與傳統的燈泵浦相比,激光二極體泵浦固體激光器( dpssls )具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中,激光二極體( ld )端面泵浦nd : yag激光器在工業中起著重要的作用並得到了廣泛的運用,這主要歸因於nd : yag晶體具有良好的機械和光學特性,而且端面泵浦具有良好的模式匹配,能獲得基橫模激光輸出。The dynamic response of the cam mechanism fan - out was found with the rule of sinusoid acceleration, and these establish the foundation of the design of the cam contour line, and provide a fire - new idea for the research of the mortar pump
通過正弦加速度運動規律得到了凸輪機構輸出端的動態響應,為凸輪廓線的沒計-奠定了基礎,為砂漿泵的研究提供了嶄新的思路。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,測量了晶體的光譜性能,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泵浦該晶體片子,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 % 。16kw and 48kw end - pump disk amplifier were designed, they condensed the pump radiation of the two diode arrays of 36 times and 27 times separately, which average radiant intensity were lower than 0. 5kw / cm ~ 2
設計了16kw和48kw端面泵浦片狀放大器,將兩種陣列輸出的平均發光強度不足0 . 5kw / cm ~ 2的泵浦光分別縮束36倍和27倍。A theoretical study of input and output properties of four - level solid laser was performed according to the velocity equation, and the important role of the overlap integral j, was noticed and made a fully usage in optimizing the end - pumping solid state laser parameters such as : rod length > pump position pumping and oscillating beam waist size
從四能級速率方程出發,理論推導了ld端面泵浦的固體激光器的輸入輸出特性,並指出重疊積分j _ 1對激光器輸出特性的極大影響,從而對其在不同泵浦條件下進行分析並以此得到端面泵浦條件下固體激光器的最優化設計參數的選取方法。A laser diode with 976nm center wavelength and 2. 03w maximum cw output power is pumping unidirectionally through the couple - imaging system on a double - clad yb - doped silica fiber with a yb - concentration 0. 65 mol % circular inner core, a d - shaped inner clad, and 15m length by f - b cavity. the center wavelength of the fiber laser is 1130nm, and the maximum cw output power is 130. 7mw. an optical - to - optical conversion efficiency of 42 % and a slope efficiency of 63. 4 % are obtained
用中心波長976nm 、最大連續輸出功率為2 . 03w的ld泵浦源,通過成像耦合系統,單端直腔式泵浦纖芯摻雜濃度為0 . 65mol % 、內包層截面形狀為d形、長度為15米的雙包層摻鐿石英光纖,實現了中心波長1130nm 、最大功率為130 . 7mw的連續激光輸出,光纖激光器的光光效率為42 . 0 % ,斜效率達到63 . 4 % 。On the other hand the crosstalk of the wdm signal at fan - out of demultiplexer will increase with the power difference of the each channel. therefore, the gain of optical amplifier to wdm signal must have small ripple. one of the solutions is using two or more pumps with different wavelength and power according to the range of signal light to be amplified and raman gain coefficient of the fiber
另外,各路信號光之間較大的功率差異會增加wdm通道解復用器輸出端的串話,所以光放大器對wdm各路信號光的增益要滿足一定的增益平坦度,解決該問題可以根據所要放大的wdm信號光的波長范圍和所用光纖的拉曼增益系數譜,採用多個不同波長和功率的泵浦光源進行泵浦。分享友人