激光激發率 的英文怎麼說

中文拼音 [jīguāngjīfālǜ]
激光激發率 英文
laser excitation efficiency
  • 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） ...
  • 發 : 名詞（頭發） hair
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 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; ...
  • 激發 : 1 （使奮發） arouse; stimulate; set off; stir up 2 [物理學] excitation; exciting; incitement; inc...
  1. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - general astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.一般象散束
  2. Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 2 : general astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第2部分:一般像散束
  3. Lasers and laser - related equipment - test methods for laser beam widths, divergence angles and beam propagation ratios - stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.無象散和簡單象散束
  4. Lasers and laser - related equipment - test methods for laser beam widths, divergence angle and beam propagation ratios - part 1 : stigmatic and simple astigmatic beams

    激光和激光相關設備.激光束寬度發散角和束擴散率的試驗方法.第1部分:無象散和簡單象散束
  5. If it is focused. so the boiloff and cautery of focus tissue can be used in the therapy. also if it isn t focused, the laser radiating focus tissue can bring about concretion effect

    激光治療儀的發散角極小，能量密度高，經聚焦后，可達每平方厘米幾千瓦的功率， co2激光治療儀可用於對病灶組織的汽化，燒灼或切割病灶組織，所以co2激光治療儀也稱謂激光刀。
  6. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  7. Along with developing of the commercial availability of high - power ingaas laser diode in the 1990s, the advantage of yb : yag suitable for the ld pumped high power solid - state lasers was realized

    對ld泵浦的高功率yb : yag固體激光器的研究已成為當前熱點，並將其視為發展高效、高功率固體激光器的一個主要方向。
  8. Based on the diopter status of myopia and hypermetropia, the paper presented the principle of excimer laser refractive surgery, the change of impacting cornea curvature on the cornea diopter. in this chapter, we also discussed excimer laser - corneal tissue interactions and photoablation. determine the relationship between the fluence of arf excimer laser and the cornea ablation rate, attain the relationship between the energy density and the ablation depth

    研究了激光與生物組織相互作用、光蝕作用及準分子激光消融角膜的機理；首次定量研究193nm準分子激光高斯光束的切削量與能量密度的關系，計算單個激光脈沖角膜切削量；發現了角膜曲率對切削效果的影響，首次提出了角膜曲率半徑、切削位置與切削深度的關系；首次定量確定了激光光斑參數及其排列方式對術后角膜表面粗糙度的影響，為更精確實現角膜切削和提高切削后角膜表面光潔度、減少手術后角膜渾濁及角膜表面術后不規則提供了理論依據。
  9. The ring laser gyro ( rlg ) is a new photoelectric inertia sensor based on the optic interference theory. it uses the difference between the frequency of the two beams of light, which run in the opposite direction in the resonant cavity, to measure the carrier ’ s rotate speed and the orientation in the inertial space

    環形激光陀螺儀（ ringlasergyro ，簡稱rlg ）是以光學干涉原理為基礎發展起來的新型光電慣性敏感儀器，它利用環形諧振腔內順、逆運行的兩束光的諧振頻率差來測量載體對于慣性空間的轉速和方位。
  10. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱激光器是一種性能優越的發光器件，具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點，廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個激光器器件製作的基礎，對器件的光學和電學性能有著重要的影響，生長不出優質的材料體系，獲得高性能的器件就無從談起，因此，材料的外延生長便成為了整個半導體激光器製作過程之中的重中之重。
  11. Using this system will increase the efficiency when excimer laser amplifies ultra - short laser pulse without using any complex multiangular optics system. it is possibly to be a new way to gain high energy, high power, high quality, high efficiency ultra - short uv laser

    如果成功，將能充分發揮準分子激光的優點，為產生高功率，高束質的短脈沖激光提供一條簡單、高效率的技術路線和途徑。
  12. We analyze the influences of the perturbed energy - level space and superposion, laser power and intermediate level offset on quantum interference. experimentally, in the sodium dimmer rhomb - type four - level system with a pair of perturbed levels, the interference enhancement of two - photon absorption caused by coherent superposition of the perturbed levels is experimentally observed

    分析了微擾能級的間隔和疊加程度、激光功率以及中間能級的失諧對量子干涉效應的影響，實驗上觀察了包含有一對微擾疊加中間能級的菱形四能級系統中的雙光子激發現象，發現微擾能級的相干疊加可增強雙光子吸收。
  13. This laser poss characteristic : t he output power attains 500w ; laser energy instability less than 2 % ; laser radiation angle : about 3. 5mrad. design a sort of new - style laser cutting head, using this equipment can carry out trepanning and percussion drilling processing

    這臺激光器所達到的參數為:輸出功率達到500w ;激光能量不穩定度: < 2 % ;激光的發散角: 3 . 5mrad 。
  14. The he - ne laser with the wavelength of 632. 8nm, when was interacting on the pd wire, which loading ratio is 0. 6, we gain the apparent " excess heat " by the excitation

    而且，在he - ne激光器發出的波長為632 . 8nm激光的照射作用下，在充氫率為0 . 6時，曾一度觀測出明顯的「過熱」現象。
  15. Quantum capture is a complicated process and capture time computation and experiment test are provided. it is difficult to ascertain carrier ' s transportation and distribution in multiply quantum wels and tunneling time and heating emitting time computations are also provided. optical gain whose formula is complicated is a critical parameter and it is useful for structuring model to obtain a concise formula by means of experiment curve

    詳細說明了確定半導體激光器速率方程的一些重要參量的方法，如：載流子在三維sch區的輸運行為對激光器的調制特性有較大影響；量子阱對載流子的捕獲是一個復雜的過程，文中給出了量子捕獲時間的計算方法以及實驗證明；多量子阱中載流子輸運與分佈也是相當復雜的問題，文中給出了隧穿時間與熱發射時間的計算方法；光增益是關鍵的參量，它的解析式相當繁瑣，由實驗曲線擬合其較為簡明的經驗式，對定模工作是有利的。
  16. At recent year, with the development of cpa and other amplification technology, laser intensity achieved great increase and laser power can be high to petawatt now, this ultrashort pulse lasers offer scientists a route to investigate laser - matter interaction in an absolute new regime

    近年來，隨著cpa （脈沖啁啾放大）等技術的發展，激光的功率有了很大的提高，超短脈沖激光器及超短脈沖激光與物質相互作用的研究，已發展成為當今世界最熱門最前沿的領域。
  17. However, the limitation of large - scale production and the high cost have restrained the development of the research on their application. comparing to arc discharge and laser ablation, chemical vapor deposition ( cvd ) is the most possible method with large - scale, low - cost and high - yield advantage to fabricate swnts

    相對電弧法與激光蒸發法，化學氣相沉積法（ cvd ）是最有望實現大批量、低成本、高產率制備swnts的方法，因此已成為其制備方法研究領域的熱點。
  18. The results of calculation and experiments shows that adopting the sf _ ( 6 ) - n _ ( 2 ) mixtures as dielectric, smoothing the field distribution in gaps and decreasing the capacity of self - breakdown gaps would be effective methods to decrease the delay and jitter

    積累了大量實驗數據，得到了有關激光觸發多級多通道開關和多通道場畸變開關的一些規律性的認識，對于脈沖功率開關設計具有重要參考價值。
  19. The lifetime of particles co - doped with li + and na + increased as compared to that of un - doped one. however, the lifetime decreased as co - doped with other dopants. in addition, we also studied that ultraviolet ( uv ) light - induced spectral change in eu3 + - doped aluminosilicate glass and red to blue up - conversion emission of tm3 + -, yb3 + - doped y2o3 nanocrystals

    （ 2 ）在紫外光輻照下， eu ~ （ 3 + ）摻雜的氧化物玻璃電荷遷移帶強度降低，通過研究輻照與激光的功率密度、波長的關系，發現這種變化屬于單光子過程，並具有頻率選擇性。
  20. The main characteristics of the optical system of the transmitter are analyzed and simulated, and the transmissivity, the output laser radiation angle and output laser shape of the optical system of the transmitter are tested in the experiments

    對發射光學系統進行了詳細的理論分析和模擬，通過實驗測試了發射光學系統的透過率、輸出激光的發散角和光斑形狀。
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