ultrashort pulse laser 中文意思是什麼

ultrashort pulse laser 解釋
超短脈沖激光器
  • ultrashort : adj. 【物理學】超短波的。
  • 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 ...
  • 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...
  1. Ultrashort synchronized laser pulse

    超短同步激光脈沖
  2. 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
  3. Out of question, the chirp pulse amplification technology that generate ultrashort and ultrahigh laser pulse has become a focus in research field. fortunately, the project " the research on shorter than 30fs, terawatt level ' s laser system " we undertake is about cpa system

    我們所進行的國家攀登計劃「九五」預選項目「強場激光物理與飛秒超快過程的研究」 （ 95 ? ?預? ? 20 ）中的子課題： 「 30fs以下tw級激光系統的研究」 ，正是致力於飛秒cpa系統的研究。
  4. Since ti : sappire owns many great properties, chirped pulse amplification based on ti : sappire makes rapid technical progress and many developed countries have built up 100tw - grade ti : sappire ultrashort and ultrahigh pulse laser system. optical parametric chirped pulse amplification gets great academic interests because of its many merits

    由於鈦寶石晶體的優良性能，以鈦寶石為增益介質的啁啾脈沖激光放大技術飛速發展，世界各科技大國相繼建成了百太瓦級的鈦寶石超短超強脈沖激光裝置。
  5. 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。
  6. The propagation of ultrashort laser pulse in air is analyzed with mechanics analogy by considering kerr effects and free electron defocusing. the equation describing the evolution of the laser spot is derived. it is shown that long distance focusing requires large initial beam and the propagation distance is very sensitive to the initial divergence angle of the laser beam

    考慮多光子電離效應和光學kerr效應，首次利用力學類比的方法研究了超短脈沖激光在電離氣體中的傳輸，詳細分析了傳輸距離與激光初始光斑、初始發散角以及激光功率的關系，提出了實現長距離傳輸的條件。
  7. The experiment system for studying the interaction of high intensity ultrashort pulse laser with solid targets, the facilities and methods for measuring ultrafast hard x - ray have been built

    首先建立了用於測量激光等離子體產生的超快硬x射線的、基於低本底hpge譜儀的單光子測量方法和設備。
  8. 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。
  9. Influence of ponderomotive force on interaction of ultrashort pulse laser with solid plasma

    有質動力對超短脈沖激光與固體等離子體相互作用的影響
  10. Spectral gain narrowing compensation modulation function in high - power ultrashort - pulse laser systems

    高功率超短脈沖激光系統中光譜增益窄化補償的調制函數
  11. We built a table - top ultrashort laser system which based on ti : sapphire front - end and discharge pumped krf amplifier. with double pass off - axis amplification module, the imj uv pulse was amplified to 50mj

    建立了桌面krf超短脈沖激光系統，採用放電泵浦krf準分子激光放大器進行超短脈沖激光的直接放大。
  12. 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。
  13. In the chapter 1, we have introduced the development of ultrashort pulse laser and summarized the background and resent research advance of clbo

    第一章介紹了超短激光脈沖的產生及發展狀況，綜述了clbo晶體的研製背景及光學性質的研究進展情況。
  14. In the picosecond and femtosecond time field, the durations of the pump and signal pulses are so short that special propagating characteristics of ultrashort pulse laser should be taken into account, especially the pulse broadening induced by the group velocity mismatch and the group velocity dispersion

    在皮秒和飛秒時域，由於泵浦光與產生的信號光的持續時間特別短，故在討論超短脈沖與物質相互作用時必須計及超短脈沖在介質中傳輸的特殊性質，尤其是群速失配與群速色散引起的脈沖展寬。
  15. Ultrashort intense laser pulse propagation in low - density plasmas and air xiao yuan, doctor of philosophy, 2002 dissertation advised by : lu baida, professor of physics the study of ultrashort intense pulse laser beams in low - density plasmas and air is relevant to a wide range modern application

    超短超強脈沖激光在低密度等離子體和空氣中的非線性傳輸是當今強激光與物質相互作用研究的一個重要課題。本論文闡述了超短超強激光在低密度等離子體和空氣中的長距離自聚焦和自導引效應。
  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. The laser beam spot evolution and electron density in the guiding range are evaluated with the burn pattern and the measured conductivity. the above results will be useful in ultrashort laser pulse amplification and future research in ultrashort intense laser propagation in plasmas and ionizing gases

    以上研究結果對于超短脈沖激光放大技術研究以及超短超強脈沖激光在低密度等離子體和空氣中長距離傳輸和聚焦研究等具有重要的實用參考價值。
  18. 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。
  19. Chapter 3 : the source - dependent expansion ( sde ) method for analyzing the wave equation is introduced, which is an effective method for solving the paraxial wave equation with nonlinear source terms. two examples have been given to explain this method, which are the propagation of the ultrashort intense laser pulses propagation in the partially stripped plasma in which the collisions of plasma electrons are taken into account, and the propagation including the finite pulse length effect

    第三章：本章介紹了求解有非線性源項的傍軸方程的有效方法-源展開方法，並給出了兩個具體的例子，即考慮等離子體電子間碰撞的隧道傳輸的求解和考慮激光脈沖的有限脈寬效應的隧道傳輸求解。
  20. Abstract : the newest advances in ultrashort pulse laser technology are briefly reviewed, and the several most important applications of ultrashort pulse laser, such as ultra - high speed optical communication, storage of great capacity information, study of photosynthesis and chemical interactions by means of femtosecond laser are also discussed

    文摘:評述了國際上超短脈沖激光技術的最新研究進展以及超短脈沖激光在超高速光通訊、海量信息存儲、光合作用研究、化學反應過程研究等領域廣泛的應用狀況。
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