脈沖激光束 的英文怎麼說

中文拼音 [màichōngjīguāngshù]
脈沖激光束 英文
pulsed laser beam
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 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;...
  1. 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。
  2. This work follows professor wang naiyan " s ider of laser energy storage ring. the new method of ultra - short laser pulse train combination is developed from multiangular optics system

    但是當脈沖個數增多時脈沖寬度為ps量級的激光的組束、空間調節將很難實現。
  3. This system uses a ring structure instead of complex multiangular optics structure. stimulate raman scatter is used to combine laser beam and it also improve the quality of laser beam

    採用這個激光能量儲存環技術能提高準分子激光放大超短脈沖激光的效率，獲得高功率，高束質的激光輸出。
  4. 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。
  5. Amplification of uv ultrashort pulse laser in e - beam pumped krf amplifier

    激光器進行超短脈沖的單束放大實驗研究
  6. 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。
  7. But the life time of krf laser medium is only 2 ns while the pump time of e - beam pump krf laser is over 100 ns. when a 1 ps ultrashort pulse amplified by krf laser amplifier most pump energy is waste. technology of multi pulse amplify can solve this problem

    Krf激光器的工作介質是非儲能介質，上能態有效壽命約為2 - 3ns ，而電子束的泵浦時間一般為上百ns ，放大超短脈沖激光時絕大部分上能態的儲能沒有被利用。
  8. Due to great advantage of the excimer laser in photoelectron material, photoelectron technology research, so in this thesis, a xecl excimer laser is designed in order to solve some problem in semiconductor film, cmr film, quartz film and other kind of film application, optical etching field, interaction between laser and material, material plasma study. the parameters of the excimer laser is e also measured and analyzed

    因此本文以氣相沉積、外延生長、巨磁薄膜、金剛石及其它薄膜制備及后續的光刻，激光與物質的相互作用，等離子體研究為目的，研製獲得了激光脈寬18ns ，單脈沖能量150mj ，矩形光斑大小2cm 1cm ，束散角3mrad ，最高重復頻率5hz的xecl準分子激光器。
  9. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感器具有實時探測，易操作，可以直觀顯示波前畸變分佈等優點，被廣泛地用作自適應光學系統的波前信息探測和波前畸變補償，大氣湍流統計特性表徵，光學元件檢測，光束質量評價，超強激光脈沖波前整形，激光大氣通信以及人眼象差測量等各個領域之中，其探測精度的高低對整個光學系統的工作性能有著極其重要的影響。
  10. The optical limiting properties nickel one - nuclear complexes hic22n4h24 solution under cw laser has been studied, as well as nonlinear properties under pulse laser have been studied by z - scan technique. three curves of peak followed by valley using the single beam z - scan technique were obtained

    我們不但研究了鎳單核配合物對連續光的限幅特性，還利用單光束z掃描技術研究了它們在脈沖激光作用下的非線性特性。
  11. On the design of the system, the thickness measure system of mems chip is built based on lbu and pump - probe technology. on the analysis of data, the reflectivity curve is analyzed using the law of reflectivity change induced by ultrasound, and the thickness is calculated using the system designed by the article, to aluminum film the size of about 20nm can be measured, when the film be measured is single layer, the relative error of the system is less than 2 %, when the film be measured is double layer, the relative error of the system is less than 10 %

    在基礎理論方面研究了激光（特別是超短脈沖激光）超聲的激勵機理，探討了激光調制技術以提高系統信噪比，闡述了泵束探針束技術及相關實驗設置；在系統設計上，以激光超聲為基本原理，以泵束探針束技術為系統設計方案完成了mems基片厚度測量系統的設計；在數據分析方法上，利用聲致光反射率變化的一般規律對測得的光反射率曲線進行分析，確定超聲回波在薄膜兩界面間來回傳播的時間，以計算薄膜的厚度。
  12. In this thesis we study the propagation of the ultrashort pulsed beams by theoretical method and the numerical simulation

    本文在理論上研究了超短激光脈沖光束的傳輸問題，並給出了數值模擬結果。
  13. Chapter 1 : a survey of the propagation of the laser beam and the ultrashort pulsed beam was introduced

    第一章：回顧了激光光束傳輸及超短脈沖光束傳輸的研究方法。
  14. A dfdl model including gain saturation effects is developed and this model is used to study the fluctuation of the pulse width theoretically, which is identical to the experiments. in order for ps pulse amplification, the saturation fluence for krf at 10 ps and gain of the discharge krf laser are monitored. 4

    開展了10pskrf激光在空氣中的傳輸實驗研究，計算了自導引區內的閾值光強，觀測到光束自聚焦和自導引現象，測量了自導引區域內的等離子體密度，並對激光脈沖的傳輸演化進行了分析。
  15. 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。
  16. The wakefield excited by an ultrashort and ultrahigh laser pulse propagating through tenuous plasma can accelerate electrons to extreme high energy. this can be used as a mechanism to design minitype electron accelerator. this thesis is devoted to studying those issues relevant to the wakefield accelerator, namely the laser wakefield accelerator ( lwfa ), laser wakefield accelerator driven by multiple pulses ( mp - lwfa ), plasma beat wave accel - erator ( pbwa ) and self - modulated laser wakefield accelerator ( sm - lwfa )

    本文的目的是：利用粒子模擬方法，研究和比較激光尾流場加速電子的四種主要方案：短脈沖激光尾流場加速（ lwfa ） 、多脈沖激光尾流場加速（ mp - lwfa ） 、拍頻束尾流場加速（ pbwa ） 、自調制激光尾流場加速（ sm - lwfa ） 。
  17. In order to improve the ranging accuracy of a lidar, the effect of amplitude and width of the echo signal on the ranging accuracy of a lidar with bell - type laser pulses in temporal domain and gaussian pulses in spatial domain, was studied under the condition of constant - voltage - amplitude discrimination

    摘要為了提高脈沖激光雷達的測距精度，研究了光束在空域為高斯光束、時域為鐘型脈沖的激光雷達在恆電壓幅度鑒別模式下，回波信號幅度變化和寬度變化對測距精度的影響。
  18. Using knife - edge method at the focus of a lens to measure the beam divergence of a giant pulse laser output

    焦點刀口法測量巨脈沖激光的光束發散角
  19. To study its properties and obtain high quality thin films, a variety of techniques have been used such as molecular beam epitaxy ( mbe ), metal organic chemical vapor deposition ( mocvd ), magnetron sputtering, pulsed laser deposition, to prepare zno thin films

    為了獲得高質量的氧化鋅薄膜材料，人們已採用分子束外延，有機化學汽相沉積，脈沖激光沉積，磁控濺射等各種技術來制備氧化鋅薄膜材料。
  20. And the pulse duration was compressed from 420 to 220fs by compensated gvd broadening with prism pairs, the intensity achieved on target reached 1017w / cm2. furthermore, the 50mj uv pulse was boosted to 2 - 3j by e - beam pumped amplifier, the laser power reached as high to 2tw

    並採用「天光一號」電子束泵浦krf激光器進行紫外超短脈沖激光的進一步放大，獲得能量2 3j 、脈沖寬度約1 . 2ps的紫外超短脈沖激光輸出，激光功率達到2tw 。
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