放射激光 的英文怎麼說

中文拼音 [fàngshèjīguāng]
放射激光 英文
lase
  • 放 : releaseset freelet go
  • 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） ...
  • 放射 : radiate; emit; blas; radiation; emission; shooting; shedding; abjection; emanation; effluence
  • 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; ...
  1. The former curves of sensuousness were now modulated to lines of devotional passion. the lip - shapes that had meant seductiveness were now made to express supplication ; the glow on the cheek that yesterday could be translated as riotousness was evangelized to - day into the splendour of pious rhetoric ; animalism had become fanaticism ; paganism paulinism ; the bold rolling eye that had flashed upon her form in the old time with such mastery now beamed with the rude energy of a theolatry that was almost ferocious

    以前他嘴唇的形狀意味著勾引誘惑，而現在卻在說祈求勸導的話了他臉上的紅光昨天可能要解釋為放縱情慾的結果，今天卻要被看成講道時虔誠雄辯的激動從前的獸性現在變成了瘋狂從前的異教精神現在變成了保羅精神那雙滴溜溜直轉的眼睛，過去看她的時候，是那樣咄咄逼人，而現在卻有了原始的活力，放射出一種幾乎讓人害怕的神學崇拜的兇光。
  2. However, in the pulse application fields, the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ), nonlinear effect and facet damage

    在脈沖激光應用領域中，這類小芯徑光纖放大器和激光器的輸出脈沖能量受限於自發輻射放大、非線性效應以及光纖的端面損傷。
  3. Ultrashort pulse amplification, including chirped pulse amplification ( cpa ) and optical parametric chirped pulse amplification ( opcpa ), has been becoming one of the hot researches in the field of ultrashort pulse laser technology because ultrashort and ultrahigh intensity pulse laser has important applications in high field physics, such as x - ray laser, icf, laboratory astrophysics, laser particle accelerator, and so on

    由於超短超強脈沖激光在x射線激光、慣性約束核聚變、實驗天體物理、激光粒子加速器等強場物理研究領域內的重要應用，超短脈沖激光放大技術目前已成為超短脈沖激光技術研究的熱點之一。它包括啁啾脈沖放大（ cpa ）和光參量啁啾脈沖放大（ opcpa ）兩大類。
  4. Whether the seeding absence alarm device works well or not is mainly decided by anti - dust condition of seeding absence monitoring sensor. it had been analyzed the factors affecting the anti - dust performance of optoelectronic sensor. double - way laser reverse direction sensor has been made ( anti - dust index access to 0. 95, while the index of the led only reach 0. 5 around )

    本研究從器件、結構、放大電路等多方面分析了影響光電傳感器抗塵性能的因素，製作了雙路激光逆向直射傳感器（根據本文提出的量化方案抗塵指數可達0 . 95 ，一般led光電傳感器為0 . 5左右） 。
  5. In addition to absorption and spontaneous emission, einstein deduced that a third kind of interaction must exist, one in which a photon could induce an excited atom to emit another photon

    除了吸收與自發放射之外，愛因斯坦推論出必須存在第三種交互作用，也就是光子會誘使受激發的原子放射出另一個光子。
  6. Measuring x - ray energy - spectrum emitted by these laser - produced plasmas is a important diagnose method, because they emit a mass of x - ray

    激光等離子體釋放出大量的x射線，因此對x射線進行攝譜分析是一種重要的診斷方法。
  7. 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

    介紹輸出功率超過1w的風冷氬離子激光器的放電管、反射鏡、激光器頭部和激光電源的設計考慮，給出了它的性能。
  8. The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge.

    「發射」氣體激光（也就是反轉能產生光放大的那些狀態的粒子數）的最普通方法是運用氣體放電。
  9. Oh, you know how a cd player has a laser that will allow you to -

    你們知道cd播放器有激光發射器
  10. Oh, you know how a cd player has a laser that will allow you to - -

    你們知道cd播放器有激光發射器. .
  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. 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。
  13. The mathematical relationship of breakdown voltage of gas discharge in co2 laser excited by rf is derived by using reduced model based on the theory of gas discharge and several physical parameters which influence gas discharge breakdown of laser are pointed out

    摘要以氣體放電理論為基礎，利用簡化模型推導出射頻激勵co2激光器氣體放電擊穿電壓的數學關系式，指出影響激光氣體放電擊穿的幾個物理參量。
  14. By reducing the feedback of the cavity, a laser will no longer be self oscillatory but it will amplify an incident wave which has triggered stimulated emission.

    減小腔的反饋，激光器就不再會自己振蕩，而只是放大觸發受激發射的入射波。
  15. Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser ， based on the balance equations of electron density and energy ， current continuity equation ， and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed

    文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程，研究了同軸射頻（ rf ）激勵co2激光器中放電混合氣體的溫度效應，分析了有關放電參數對溫度分佈的影響。
  16. 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。
  17. Working with international colleagues, they have applied dating techniques on the sediment itself and on finds including a land snail, a water snail and a mammoth tooth, all of which came back with an age of around 40, 000 years

    科協家通過放射性碳鑒定技術和激光學鑒定技術斷定，這些腳印屬於人類，且約有4萬年的歷史。除此之外，科學家還發現了一隻蝸牛一隻水蝸牛和一顆猛獁的牙齒，並斷定它們也約有4萬的歷史。
  18. The maximum one side output power of uncoated lasers attain to 2w and the minimum threshold current is 120ma. thereafter, algalnp and algaas material system lateral real refractive index waveguided 650nm / 780nm double wavelength multiquantum well lasers for dvd - rom driver and dvd player ' s optical pickup system are simulated and designed on the basis of the experiment of conventional lasers and the former research of tunneling cascade devices

    在此之後，結合650nm附近波長的常規algainp gaas多量子阱激光器的實驗結果與以往隧道級聯器件的研究，設計並模擬分析了基於algainp材料與algaas材料的可用於dvd - rom驅動器和dvd播放機光學讀取系統的側向實折射率導引隧道級聯650nm 780nm雙波長多量子阱激光器。
  19. This new method will bring significant developments in studying the principles of stomatal movement, and other quick movement in plants, c ) guard cells are incubated with ph dependent fluorescent chemical probe " bcecf am " and excited at 488nm, the fluorescent emission ratio method ( 520nm / 640nm ) is employed with laser scanning confocal microscopy, about 0. 4 ph unit increase in guard cell vacuoles is observed during stomatal closure that is induced by aba

    本發展為保衛細胞與其它小細胞液泡的進一步研究提供了新思路。 c ）本工作通過激光共聚焦顯微術配合ph熒光探針bcecfam的單激發（ 488nm ）雙發射的熒光比值法（ 525nm 640nm ）觀察到，用aba處理的表皮條上的開放態氣孔在關閉過程中其保衛細胞液泡內ph有一約0 . 4單位的上升。
  20. 4. the lpfgs are used in single wavelength er - doped fiber amplifiers ( edfas ) as a spontaneous emission noise ( ase ) filter, and the gain of the edfa is increased by 7db and the noise figure ( nf ) is decreased by 0. 5db, for the first time

    4 、成功研製了摻鉺光纖放大器，首次將高頻co2激光脈沖寫入的長周期光纖光柵應用到摻鉺光纖放大器中作為自發輻射噪聲濾波器，使edfa的增益提高了7db 、噪聲系數降低了0 . 5db 。
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