激光輸出特性 的英文怎麼說

中文拼音 [jīguāngshūchūtèxìng]
激光輸出特性 英文
laser output characteristic
  • 激 : Ⅰ動詞1 （水因受到阻礙或震蕩而向上涌） swash; surge; dash 2 （冷水突然刺激身體使得病） fall ill fr...
  • 光 : Ⅰ名詞1 （照耀在物體上、使人能看見物體的一種物質） light; ray 2 （景物） scenery 3 （光彩; 榮譽） ...
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
  • 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 ...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. In the aspect of output characteristics, after applying the boundary conditions and the continue condition of two segments, the correlative dependence of average photon density in each segment has been obtained. combining this dependence with the threshold conditions, the theory foundation is settled

    在兩段式dfb激光器的輸出特性研究方面，利用邊界條件以及兩段之間的連續條件，導出了兩段平均光子數密度之間的依賴關系；這和兩段式dfb激光器的閾值條件表達式相結合，構造了本文研究激光器輸出特性的理論框架。
  2. As the extensive application of the semiconductor laser diode ( ld ), it become more and more important to evaluate the quantity of laser beam. far - field divergence angle of laser beams is an important parameter about value of laser quality. not only the laser divergence peculiarity in the distance is reflected, but also quality of the correlative laser apparatus and the laser transmission is exactly known

    隨著半導體激光器日益廣泛的應用，對激光光束質量的評價越來越重要，而激光光束遠場發散角是評價激光質量的一個重要參數，它不但能反映遠距離傳輸時的激光發散特性，而且能準確評估出半導體激光器的品質及激光的傳輸質量。
  3. 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 。
  4. Continuous - wave optical parametric oscillators ( cw opos ) are an attractive source of coherent radiation in applications for which laser sources are unavailable or for which wide tunablity is needed, cw opos have remarkable features of operating with narrow linewidth and broad tunablity

    連續波光學參量振蕩器（ cwopos ）可以用來拓寬激光的波長范圍，有較寬的調諧區域，是一種理想的產生相干輻射的裝置。由於它的窄線寬和寬調諧的輸出特性，也被用於光譜學、相干光通訊、量子光學等領域。
  5. The procedure of the test is as follows : first, the piezoelectric stack has been examined to test the performance parameters of the piezoelectric material ; second, the 2 - x actuator has been functioned with different static voltage to test its capability ; last, function the 2 - x actuator with voltage with different frequencies to test its dynamic properties. all the output of the actuator has been measured by the laser vibration measurement

    首先對壓電堆進行試驗，驗證壓電材料的性能參數;再對推挽式雙x驅動器施加不同的靜電壓驅動它，驗證作動器的驅動能力，最後對推挽式雙x驅動器輸入不同頻率的電壓驅動，測量該驅動機構的動態特性，試驗均採用激光測試儀測量推挽式雙x驅動器的輸出特性。
  6. The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well

    對產生946nm譜線的準三能級結構給出了較為完整的分析，利用激光諧振腔處于穩態時的速率方程，導出了準三能級nd ： yag946nm起振時，透射損耗與最佳激光晶體長度的關系，在與1064nm透射損耗相比較的基礎上，給出了不同的腔損耗情況下的最低鍍膜要求，並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系，這為設計室溫下高效運轉的946nm激光器的提供了理論基礎，這種分析方法對研究此類低增益，準三能級或三能級激光系統輸出特性有借鑒意義。
  7. 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。
  8. It has shown a good agreement with the theoretical results and proved that the appropriate combination of two passive q - switch could enhance stability of the laser

    進一步的實驗表明，這種激光器在輸出特性上比一般的sbsyag激光器穩定性更高。
  9. On the basis of the deep study of the current studying situation of multi - wavelength fiber lasers and its tendency of development, we make clear the significance of the study of multi - wavelength fiber lasers and propose a novel multi - wavelength erbium - doped fiber ring laser at room temperature. in this thesis, firstly, with the rate equation theory, we use analytical methods to deduce the relationships of the lasing wavelength and output power vs erbium - doped fiber length, coupler ratio and intracavity losses. the experimental results show a good agreement with the calculated values

    本文首先從速率方程理論出發，利用解析的方法推導出摻鉺光纖激光器輸出特性參數與摻鉺光纖和耦合器參數之間的定量關系， （如，激光輸出功率、波長與摻鉺光纖的長度、摻雜濃度、耦合器耦合比及腔的損耗等參數之間的關系） ；並從實驗上加以分析討論，實驗結論與理論值相吻合；利用改變耦合器的耦合比獲得了幾個nm的波長調諧。
  10. With the theoretical and experimental methods, the characters of cr4 + : yag are studied from cr4 + : yag as passive q - switching in nd : yag laser, intracavity frequency - doubling of q - switching laser and dual - wavelength laser, which is based on cr4 + : yag ' s operations of saturable absorption and laser gaining medium. chapter 1 : introducing the cr4 + : yag ' s optical function, the general research situation and the main idea of this thesis

    本論文基於cr ~ （ 4 + ） yag晶體既可以作為nd yag激光器的被動調q開關、又可以作為激光增益介質的特點，採用理論和實驗相結合的研究方法，詳細而具體的研究了cr ~ （ 4 + ） yag晶體被動調q 、調q倍頻和雙波長激光輸出的特性。
  11. Based on the character of the eof gain at 1550 nm, a laser diode ( ld ) worked at 980 nm and acted as the pumping source, a eof employed as gain medium, and a fiber grating used as reflector, an ring - cavity all - fiber laser worked at 1562. 5 nm was demonstrated with an output power of 2. 0 mw and a bandwidth of 0

    本文主要基於摻鉺光纖在1550nm波段的增益特性，利用帶尾纖的980nm半導體激光器作為泵浦源，鉺光纖作為增益介質，布拉格光纖光柵作為諧振腔反射鏡，實現了波長為1562 . 5nm的環形腔光纖激光器，得到了2mw的激光輸出。
  12. At last we measure parameters of new excimer laser, the experimental measuring results show that our xecl excimer laser has better characters, and its output is excellent compared to others

    最後論文對試製成功的準分子激光器參數進行了測試。試驗結果表明激光特性良好，與同類相比，準分子激光裝置激光輸出情況良好。
  13. 2. a theoretical analysis and numerical simulation considering pumping beam waist, q - switch, cavity design are presented. combine with the theoretical analysis and the request of fundamental wave, the appropriate cavity and q - switch are chosen

    2 .從諧振腔設計理論及調q技術進行分析，討論了ld泵浦固體激光器的輸入輸出特性及影響閾值的主要因素;結合理論和我們下面工作的要求，選擇合適的腔形及調q方式。
  14. In this work, based on the threshold condition of the fiber grating external cavity semiconductor laser ( fgesl ) which the phase of the fiber grating has been included, the effect of the temperature variation and the fg external cavity length on the lasing wavelength of the fgesl has been investigated theoretically. in addition, we have used the phase condition of fgesl to get the longitudinal mode distribution of fgesl, then the influence of the injected current on the output characteristics of fgesl has been studied

    基於此，本文中利用陽實際的反射相位分佈，計及半導體激光器（ ld ） 、外腔及光纖光柵（ fg ）三者的共同作用，根據fgesl滿足的閩值條件，從理論上研究了溫度及外腔長度的變化對fgesl激射波長的影響;根據fgesl中縱模所滿足的相位條件得到其縱模分佈后，利用fgesl滿足的多模速率方程，研究了ld的注入電流對fgesl輸出特性的影響。
  15. Based on the theoretical analysis, we experimentalize to the output characteristic of laser and probe into the efficiency and output power of the er - doped yag solid laser, moreover, we research and development a compact, no water cooled and low frequency central wavelength 2. 94 u m laser sample

    在理論分析的基礎上，對該波長激光的輸出特性進行了實驗研究，探討了摻鉺yag固體激光器在效率和輸出能量等方面的問題。並研製出一套小型化，無水冷，低重頻，輸出中心波長2 . 94 m的激光器。
  16. This thesis first introduces the basic theory used in fog, and then analyses the resonator - one of the key parts. this analysis illustrates the output character under certain laser frequency width. the output character is converted into lorentz function form considering the laser frequency width

    本文首先介紹了諧振式光纖陀螺的基本原理，對其關鍵器件- - -諧振腔的諧振特性做了分析，重點分析了在激光器頻寬一定的條件下諧振腔的輸出特性，並最終將其轉化為包含了激光器頻寬的洛倫茲函數形式。
  17. 2. considering the energy level structure and the spectrum characteristics of yb3 + ion, we deduce the relationships between laser performances of yb3 + - doped double clad fiber laser and parameters of laser cavity from the steady state rate equations with a new model

    2 .討論了yb3 +離子的能級結構和光譜特性，並從穩態速率方程，結合諧振腔結構特點採用ido kelson和amos hardy的模型，給出了雙包層光纖激光器的輸出特性與激光器諧振腔結構參數的關系準解析表達式。
  18. 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。
  19. Three parts ( 6 chapters ) are included in this dissertation except the 1 st and 6th chapters. the first part ( the 2nd, 3rd and 4th chapters ) is the theory for analyzing and designing resonators with diffraction optical elements by use of a matrix eigenvalue method. the eigen modes and diffraction loss for a laser cavity have been obtained by this method

    本論文主要包括三個部分共八章，除第一章緒論和第八章總結外，主要內容如下：第一部分（第二、三、四章）主要討論和分析了決定激光光束的輸出特性和光束參量的激光諧振腔，闡述和建立了矩陣本徵值方法分析和設計激光諧振腔的系統理論。
  20. In the end, this thesis tests the resonator with three methods in case that it is both open looped and closed looped, and gets the results listed below : 1 taking 1 mhz frequency width ld as the light source, using current injecting frequency modulation method, the output characteristic of the resonator is got, which proves that the laser used in the lab can be used to modulate the frequency using current injecting frequency modulation

    本文最後採用三種不同的方法對諧振式光纖陀螺進行了開環和閉環的實驗測試，並取得了以下實驗結果： 1 、用頻寬1mhz的ld作光源，採用電流注入調頻的方法，觀測到了諧振腔的輸出特性曲線。證明了實驗採用的激光器可以通過注入電流的方法實現調頻。
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