射出激光束 的英文怎麼說

中文拼音 [shèchūjīguāngshù]
射出激光束 英文
outgoing laser beam
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 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） ...
  • 束 : Ⅰ動詞1 （捆; 系） bind; tie 2 （控制; 約束）control; restrain Ⅱ量詞（用於捆在一起的東西） bundle;...
  • 射出 : ejaculation; ejection; effluence; delivery射出者 ejaculator
  1. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  2. In chapter 2, a schrodinger formulation for paraxial light beam propagation of the real and comprehensive refractive indexes is represented. the equation for the atom laser beam wave - function is also given by a schrodinger equation, which is similar to the equation of the time - dependent system. therefore, it is possible to investigate the propagation of an atom laser beam

    第二章：本章介紹了傍軸光束在實數折射率介質和復數折射率介質中傳輸的schrdinger形式理論，同時指出由於原子激光的傳輸滿足schrdinger方程，與含時量子系統的傳輸方程類似，故利用含時量子系統的schrdinger形式理論來研究原子激光的傳輸是可行的。
  3. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  4. In the third chapter, basing on light interference theory, we discuss multiple - beam interference and equal thickness interference, which are also the base of our main research

    第三章由光的干涉理論出發，討論了多光束干涉和等厚干涉，以此作為探討激光偏光棱鏡光強透射比和光強分佈的理論基礎。
  5. After measured the laser energy distribution of kunming slr station, the parameters of this non - gassian and non - spherical symmetric laser beam were deduced according to correlation definition. applying its laws and deduced laser beam parameters, the change of laser beam dirvergence angle was studied in detail when adjusts transmission system focus. moreover, calculation based on these measured data indicates that the laser shaded by the second mirror of telescope is amazingly up to 39. 8 %, an optical element was designed for the settlement and it worked satisfactorily when put it into practice

    之後測量了雲南天文臺激光的橫向能量分佈，根據相關定義確定了這束非高斯非球面激光的參數，應用它的傳輸變換規律和測量參數研究了調焦中激光發散角的變化，並根據測量數據計算出激光發射時副鏡擋光比例達到驚人的39 . 8 ，研製出光劈解決這一問題，取得了很好的效果。
  6. Quality - control instrument need maintenance ; gauges go out of order ; x rays and laser beams need adjustments

    質量控制儀器需要穩定，量規會出錯； x射線和激光光束需要調校。
  7. Secondly, by using the scattering characteristics of rough surface, the relation formula between received power and transmitted power of remote system for a facet is derived. finally, the scattering power for a conductor sphere is computed. 4

    根據有關測量數據，提出了激光引信的發射波束模型，並結合粗糙面散射理論，導出面元散射功率方程，給出導體球的激光近場散射功率結果。
  8. Based on the theory of geometrical optics, the relationship between the axial force exerted on the micro - sphere particles in the mie scattering field and the main parameters of laser is calculated quantitatively when the absorption is considered. the results not only show the relationship between the axial force and some parameters, that include the absorption coefficient of microscopic particles, the laser wave - length, power and so on, but also are useful for choosing parameters in experiments

    摘要以射線光學模型為基礎，對微粒直徑遠大於激光微束的米氏粒子在考慮對光的吸收時軸向力與光源參數的關系進行了計算，計算結果給出了軸向力與微粒的吸收系數、波長、激光功率等參數的關系，為實驗中參數的選擇提供了依據。
  9. China university of science and technology li yin - mei group, proposed to dark field microscopy observation of light scattering technology and optical tweezers capture the idea of combining the traditional optical microscope optical tweezers system from the side of a bouquet of flake coupling laser irradiation samples, laser incident in a specific location, so that samples of the particles scattered light through the microscope imaging ; overcome the well - optical tweezers and microscopic imaging of laser irradiation, as well as strictly coincidence of the three key technologies to achieve the optical tweezers capture 100 nanometer - styrene ball at the same time also in the entire field of view of microscopic observation of nano - particles, to capture optical tweezers nanoparticles can also observation purposes

    中國科學技術大學李銀妹課題組，提出將暗場顯微術觀察光散射的技術與光鑷捕獲相結合的設想，在傳統光學顯微鏡光鑷系統上從側面耦合一束片狀激光照射樣品，在特定的激光入射位置，使樣品中粒子的散射光可通過顯微鏡成像；克服光鑷的阱位與顯微成像面以及激光照射面三者嚴格重合的技術關鍵，實現了光鑷捕獲100納米聚苯乙烯小球的同時也能在整個顯微視場中觀察納米粒子，達到了光鑷捕獲納米粒子的同時也能觀測的目的。
  10. 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。
  11. 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，給出了一整套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；給出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。
  12. Calculations show that the near - field profile of the output beam is strong function of the laser launching conditions

    計算表明，激光入射條件與光纖輸出光束的近場功率密度分佈有著函數關系。
  13. Applying 200 m quartz fibers in the ld - pumped laser system with double - pass configuration, 57 % sbs reflectivity, near 92 % sbs fidelity and 85 % relative stability have been obtained. and high beam quality of phase - conjugated laser close to that of oscillator has been achieved

    應用200 m光纖經雙通放大最高可獲得57的能量反射率、 85的相對穩定性以及92的相位共軛保真度，並觀察到激光系統的輸出光束質量被顯著改善。
  14. The analytical software can comprehensively detect these ghost images generated by ghost reflections and simulate the energy attenuation process of ghost beam. the position of ghost image can be picked out, the potential hazard of ghost images to key elements can be verified, and the irradiance at ghost image and key elements can be described

    編制的專門的雜散光分析軟體能全面捕捉系統中激光束多次殘余反射產生的鬼像，並模擬鬼光束的能量衰減過程，從而找出對光學元件及系統性能存在威脅的鬼像，確定其位置，同時對各光學元件特別是關鍵元件處的能量密度與元件的穩定性進行描述。
  15. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發，推導出一維情況下ptr信號的振幅和位相表達式，討論了光熱信號的頻率特性，介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法；接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號，在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  16. The main results are as follows : 1. the propagation of an ultrashort intense pulse laser beam in low - density plasmas is investigated analytically. relativitistic pondermotive force and space - charge effects are included, and an equation describing the evolution of the laser spot size is derived

    考慮有質動力與電荷分離場的平衡，推出了超短超強脈沖激光在低密度等離子體中的折射率、電子密度和電荷分離場的表達式以及激光束斑的演化方程。
  17. At the same time, the possibility of using nonlinear optics in widening the detecting wave band of hartmann - shack wavefront sensor is exploringly discussed. adaptive optics guarantees the beam quality of laser projecting system. beam cleanup, atmospheric turbulence compensation and correction of any disturbance and fabrication error in the light way are required to promise a near diffraction beam, but normal adaptive optics system can only correction one of them

    自適應光學進行光束大氣傳輸波前畸變校正時，要求系統必須能進行光束凈化和校正大氣湍流造成的波前畸變，並且能夠同時有效地克服發射系統製造誤差、重力變形以及光路內部氣體擾動的影響，得到接近衍射極限的輸出激光光束。
  18. The light is emitted by the laser diode and enters a diffraction grating

    激光束從激光二極體中發出，射入衍射光柵。
  19. This dissertation chiefly studied the theory of aoa detection using polarization. polarization coding aoa detection was put forward after compared with some other ways to detect laser aoa. the method based on law of cosines of radiation

    本論文分析和比較了激光束定向的幾種方法，基於輻射通量的餘弦定理，根據偏振光特性，提出了偏振編碼測向的方法。
  20. Beam quality of the output laser is dependent on not only the fiber ' s structural parameter but also the launching conditions of laser

    輸出激光的光束質量不僅與光纖的結構參數有關，而且還與激光入射條件有關系。
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