輸出鏡 的英文怎麼說

中文拼音 [shūchūjìng]
輸出鏡 英文
output mirror
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  • 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 ...
  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泵浦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人泵浦光以提高人泵浦光的能量,但是這同時使泵浦光質量變壞,使得線寬變大。
  2. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射轉動速度的平穩性和位置的精確性。
  3. Based on an amplified spontaneous emission ( ase ) source, a ring - cavity fiber laser, in which sensor element acted as the reflector of the cavity, was achieved with high - signal noise ratio ( snr ) and high - power. it was demonstrated that the output power was maximum, when output coupler ratio of the coupler was seventy percent

    實驗證實耦合器的耦合比選為某一個最佳值70 ,當980nm泵光工作電流為50ma時,其功率達3 . 5mw ,且激光波長與作為反射的光纖光柵中心波長相同。
  4. The polarization effect of the folded mirror is discussed, through solving the coupling wave equation numerically, its influence on the stability is analyzed. it indicates that the folded mirror plays an important role in restraining the green noises. 2

    用jones矩陣法分析折疊的偏振效應,通過數值求解耦合波方程討論了這一效應對綠光穩定性的影響,說明了折疊在抑制綠光噪聲上的重要作用; 2
  5. 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,從四能級速率方程發,推導了ld泵浦nd : yag激光器的閾值、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,提了ld端面泵浦nd : yag激光器的設計方法,給了一定泵浦耦合方式下,振蕩光模尺寸、最佳耦合率、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,設計了自聚焦透耦合小功率ld泵浦nd : yag激光器和透組耦合高功率ld泵浦nd : yag激光器,對激光器的功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖的高功率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功率的影響規律,提了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 。
  6. For the demand of output swing, the bias is provided by high - swing cascode current mirrors

    為了獲得高擺幅,設計低壓共源共柵電流為運放提供偏置。
  7. 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,而功率已達到國外同類產品的極限值。
  8. This paper gives a description of discharge tube, mirror, laser head and laser power supply of an air cooling argon laser which output is over 1w, and shows its properties

    介紹功率超過1w的風冷氬離子激光器的放電管、反射、激光器頭部和激光電源的設計考慮,給了它的性能。
  9. Theoretical analysis of the effects of linear birefringence on the output of a faraday mirror - typed optical current transformer

    線性雙折射對法拉第式光學電流互感器影響的理論分析
  10. The method is as follows : when the video signals from cmos image sensor pass through a high - pass analog filter, the microprocessor samples and processes them and then judge whether the lens is in focus. if the lens is not well focused, the microprocessor will control the lens to be in focus by moving the stepping motor

    這一系統採用的方法是通過對cmos圖像傳感器的模擬視頻信號進行濾波,提取代表圖像清晰程度的高頻成分,選用單片機組成硬體電路,對信號進行處理並分析判別聚焦位置、控制馬達轉動頭至對焦清楚。
  11. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對檢定點高程問題,分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點,得移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及時間同步實現,得結論:利用gpsoem板的秒脈沖( 1pps )特性,能夠實現兩臺數碼相機與gps接收機時間同步,滿足動態檢定指標要求。
  12. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和功率,用fox - li迭代法求反射上實際的光強分佈和熱源,得到面的位移變形和單程附加相移,以zernike多項式擬合單程附加相移,分別用迭代法和幾何法計算了腔變形時的腔模光場,建立了光學元件對光束質量影響的評價因子,研究腔冷卻效果和冷卻方式,對耦合的變形進行了分析。
  13. And it should be linear polarization in s direction by analyzing the relations between the reflection, absorption loss of optical thin film at oblique incidence and the polarization state, and at this time the brewster window made of very low - absorption material can be used

    通過對斜入射高反射反射率、吸收損耗與光束偏振特性間的關系進行分析,表明諧振腔內的本徵振蕩最好應為s方向的線偏振光,這樣光束窗口還可採用布儒斯特窗。
  14. Abstract : by employing the concept of photon flux, the evolution of the phase and photon flux in the eigenmode state in three - wave mixing, and the requirements for the initial phase and photon flux in this state, are studied in the paper. a special state in which there are only exchanges of the photon flux but no phase variations in the three - wave mixing process is investigated. an all - optical switch based on the eigenmode pushpull nonlinear - optical - mirror is presented, and the properties of this all - optical switch are numerically calculated. the numerical results show that the performance stability is extremely good, and the intensity and phase of the output signal beams can be easily realized and controlled

    文摘:利用光子流概念研究了三波混頻中本徵模狀態的相位和光子流的變化,以及該狀態對光波的初始相位和初始光子流的要求,研究了三波混頻中只有光子流的交換卻沒有相位變化的特殊狀態,提了本徵模狀態推拉式非線性光環的全光開關,並數值計算了這種全光開關的性能,數值結果表明,該光開關的性能穩定性好,並且易於實現和控制信號光的光強及相位
  15. 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。
  16. This design has combined a degnan and hall case iii coupling configuration and u - folded cavity, that is, the mirror - waveguide space is folded and there is only one ceramic waveguide in the whole cavity

    採用了輸出鏡類耦合方式+ u型折疊腔的設計方案,即僅含單根陶瓷方波導的「輸出鏡?波導」耦合空間的折疊。
  17. Weave the exact equations to calculate the absorption coefficient and the absorbed power ofhe thin uncoated crystal. detailed analysis of the mode - locking theory of femtosecond ser was discussed. the cw experiments of the three new yb ~ ( 3 + ) - doped crystals have been demonstrated, nd the laser parameters have been optimized

    進行了yb : gdcob 、 yb : lso 、 yb : gso三種晶體連續運轉的實驗,並按照理論進行了晶體溫度、長度、輸出鏡透過率、泵浦光和振蕩光的模式和波長匹配這幾個方面的參數優化。
  18. Theutput couplers of different transmissions have been used in the cw operation, the resultsatched the theoretic optimum transmission very well

    採用不同透過率的輸出鏡進行連續光實驗時,發現實驗結果和理論符合得很好。
  19. The experimental results of power output as a function of the concave mirror transmission and the mirror - waveguide distance basically agree with the corresponding theory

    通過實驗研究了輸出鏡透過率及耦合距離對激光器功率的影響,實驗結果與理論基本相符。
  20. The experiment result accord with the theory ' s. when the transmission rate of output mirror equal to 4. 9 percent. the output power is 1w. the slope efficiency is 54. 1 %

    我們用透射率t = 4 . 9的片作為輸出鏡,當泵浦功率等於2 . 2w時,最大單頻紅外激光為1w ,斜效率為54 . 1 。
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