laser pulse energy 中文意思是什麼

laser pulse energy 解釋
激光脈沖能
  • laser : n 鐳射激光，受激發射光，激光；萊塞；激光器，光激射器 （ ＝ light amplification by stimulated emis...
  • pulse : n 1 脈搏；有節奏的跳動；【動物；動物學】脈沖（波）；脈動。2 意向；傾向。3 【音樂】拍子，律動。vi ...
  • energy : n. 1. 干勁，活力。2. （語言、行為等的）生動。3. 〈pl. 〉 （個人的）精力；能力。4. 【物理學】能，能量。
  1. 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。
  2. 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。
  3. The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means

    同時設計應用聲學方法對水中不同能量的脈沖激光作用下產生的激光等離子體沖擊波波前傳播過程進行測試及數據分析，對光學陰影方法探測的激光等離子體沖擊波近場波前傳播數據進行詳細分析，結果表明新模型計算結果與實驗測量值一致。
  4. 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。
  5. Angular distribution and energy spectrum of the high - energy particles produced during the interaction of ultra - short ultra - intense ( us - ui ) laser pulse with plasma are studied in this paper

    本論文研究了超短超強（ us - ui ）激光與等離子體相互作用中高能粒子發射的角分佈和能譜。
  6. Some researches about frequency doubling are made, and two methods to improve intensity of second frequency generation are given. we realized q - switched 532 nm laser, by using nd : gdvo4 as laser crystal, using cr4 + : yag as saturable absorber, using ktp as intra - cavity frequency doubling crystal. average power of 109mw, repetition of 40khz, pulse width of 30ns, pulse energy of 2. 6uj, peak power of 91w are obtained

    4 .對倍頻理論進行研究和分析:討論兩種提高二次諧波功率密度的方一法;實驗匕在國內首次實現ld端面泵浦nd : gdvo4 / ktp ，用cr4 + : yag作為可飽和吸收片的綠光激光器，腔內倍頻得到了平均功率為109mw 、重復頻率為40khz 、脈寬為3ons 、單脈沖能量為2 . 6閃、峰值功率為glw的調q綠光輸出。
  7. As we known that the laser pulse energy will be attenuated in the turbid media and the pulse shape will be changed by scattering and absorption. besides, the ultra short laser pulse will be widened by the diffusive scattering

    由於超短脈沖激光在混濁介質中傳輸時，將因漫散射而使脈沖展寬，因此漫反射、漫透射光中必然含有介質光學特徵的信息。
  8. The relationships between the laser performance index, such as laser power densities, pulse energy and energy densities, and the diameter of holes have been set up, and a experience formula between the energy density and the diameter of holes has been established by the regression method, based on the experiment results

    在此基礎上，本文對微噴帶激光打孔機的性能進行了試驗研究，得到了激光功率密度、激光脈沖能量和激光能量密度對打孔孔徑的影響關系。通過數據回歸的方法，建立了激光能量密度與孔徑之間的半經驗公式。
  9. The experimental results are helpful to understand the acceleration mechanisms of the hot electron emission in the interaction of the us - ui laser pulse with plasma. an anisotropy energy distribution of the hot electrons emiaon has been observed for the first time in the experiments. the energy spectrum of hot electrons resulted from the resonance absorption at the direction of target normal is a maxwellian - like distribution

    E11分佈，擬合的超熱電子有效溫度約200kev左右，超熱電子的最大能量約zmev ，加速電子的主導機制是共振吸收機制;反射方向超熱電子的能譜在低能段出現一個局部的平臺（ pla1leau ） ，呈現出非類maxwen分佈，這是幾種加熱機制共同作用的結果，其中佔主導地位的是反射激光加速機制。
  10. In this paper, such three points are studied as : a ) the angular distributions of the hot electrons emission under laser irradiation at different incidence angles and at different polarization direction, the angular distribution of the hot electrons in the different energy range, and the effects of laser prepulse on the angular distributions of the hot electrons emission ; b ) the energy distribution of the hot electrons at different directions, from the metallic targets and the dielectric targets, in the different energy range of the hot electrons, and the effects of the atomic number z on the energy distribution of hot electron generated by the metallic targets ; and c ) the energetic proton emission resulting from the interaction of the us - ui laser pulse with plasma

    本論文進行了三個方面的研究：第一，超熱電子角分佈的研究，包括不同激光入射角下超熱電子的角分佈；激光不同偏振態下超熱電子的角分佈；激光預脈沖對超熱電子角分佈的影響；不同能段的超熱電子的角分佈。第二，超熱電子能量分佈的研究，包括不同方位超熱電子的能量分佈，金屬與非金屬靶材的超熱電子的能量分佈，金屬原子序數z對超熱電子能量分佈的影響以及不同能段超熱電子的能量分佈。第三，研究了超短超強激光與固體靶相互作用所產四川大學博士學位論文生的高能質子發射和能譜。
  11. With double - frequency technique and q switch technique the laser delivers a laser pulse of 532 - nm in wavelength, 5 - ns in pulse width, 35 - mj in energy and 2 - cm in coherent length

    所用激光器為nd : yag脈沖激光器，採用了調q和二倍頻技術，波長為0 . 532 、脈沖寬度為7ns 、相干長度為2cm ，能量為35mj 。
  12. In the investigation of the interaction of the us - ui laser pulse with the plasma, a standard - ray source is firstly used to absolutely calibrate lif mermc - luminescence dosimeters ( tlds ), and the dosimeter are employed as the angular distribution spectrometer and the energy spectrum spectrometer of the hot electrons

    在超短超強激光等離子體相互作用的研究中，首次採用137cs鄧標準源對lif熱釋光探測器（ tlds ）進行了絕對標定。並以此作為電子角分佈儀和電子譜儀的探測元件，研究了超短超強激光與等離子體相互作用中超熱電子發射的角分佈和能量分佈。
  13. The falling rate of t _ ( d - ) p curve closely related with e / p or the energy of laser pulse ( e _ ( laser ) tested. the threshold voltage did n ' t depend on the pressure apparently. the delay and jitter decreased exponentially as the e _ ( laser ) increased

    C :建立了零維「 2光子激發一2光子電離」激光觸發火花隙數值模擬模型與考慮了levison修正的t . h . martin經驗公式相結合的激光觸發多級開關零維數值計算模型。
  14. Angular distribution and energy spectrum of the hot electrons emission resulted from the interaction of the us - ui laser pulse with plasma are measured with the calibrated lif tlds, and the yield of the hot electrons is consistent with the results of the other experiments

    採用這樣標定的l正tlds作為電子譜儀的探測元件，所測量的超熱電子產額與國外同類實驗測量的超熱電子產額較好地一致。
  15. Krf excimer is the best medium in uv ultrashort pulse amplification for its small saturation energy and high contrast ratio accessible. this work concentrated on uv ultrashort pulse amplification by discharge pumped and e - beam pumped krf amplifier, and build a high power krf laser system in the feature

    一方面由於它的氣體性質和飽和能量小，在超短脈沖放大過程中的非線性效應小，可以不採用cpa路線而直接將超短脈沖激光放大到10 ~ （ 19 ） w cm ~ 2甚至更高。
  16. The laser characteristics such as wavelength, pulse width, pulse energy, etc. were analyzed and the object - image correspondence in the system was studied

    從波長、脈沖寬度和脈沖能量等方面分析了光源應滿足的條件，並對系統的物象關系進行了分析。
  17. 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 ） 。
  18. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據自調q二極體泵浦固體激光器的特點，計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單脈沖能量、脈沖寬度和能量利用率的影響，並由此提出了設計自調q激光器中的參數選擇規律。
  19. In this paper, we have done many basic experiments and studies on the technology of laser energy storage ring including the producing seed laser pulse, producing laser pulse train, multi pulse laser amplify, laser transmission in air and technology of laser beam combine

    內容包括超短脈沖種子光的產生、同一束線上序列脈沖的產生、序列脈沖的放大、超短脈沖的多級放大、超短脈沖在空氣中的傳輸和多脈沖並束方案的初步的實驗和研究。
  20. In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the

    本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ （ 4 + ） : mg _ 2sio _ 4晶體，抽運光脈沖寬度為30ns 、能量為50mj ，在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上，結合實際的cr ~ （ 4 + ） : mg _ 2sio _ 4激光器的相關參數，從速率方程出發，用數值計算的方法更為精確的模擬了cr ~ （ 4 + ） : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性，得出了激光脈寬只與抽運能量、腔長有關的結論，即抽運能量愈大，脈寬越窄;腔長越長，脈寬則愈寬。
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