等離子激光器 的英文怎麼說
中文拼音 [děnglízijīguāngqì]
等離子激光器
英文
plasma laser- 等 : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 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) ...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 離子 : [物理學] ion
- 激光器 : [光學] (光激射器) laser (縮自 light amplification by stimulated emission of radiation); optic...
- 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; ...
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Some by - products of this work can be used as routine tools in the uv laser laboratory. commercial video ccd cameras are used to image uv laser and soft x rays, window glass as a fluorescer is used to indirectly measure the uv laser beam profile with high energy density, and a special glass which permits uv light to pass through while absorbs the visible, is introduced into the uv beam profiling in strong visible stray light environment
實驗中發展了一些測量技術,例如用可見光視頻ccd直接測量紫外激光的光束分佈和激光等離子體產生的x光二維圖象,利用窗玻璃作為熒光體測量能量密度較高的紫外光束分佈,利用可見吸收紫外透射玻璃製成的衰減器測量有嚴重背景光的紫外光束分佈,可以作為實驗室的常規測量工具,並有一定的推廣價值。The recent progress in the instrument, analytical technique of laser ablation inductively coupled plasma mass spectrometry ( la - icp - ms ) in metallurgical analysis has been reviewed
摘要從儀器發展、分析技術應用研究等方面介紹了近年來激光燒蝕進樣電感耦合等離子體質譜法( la - icp - ms )在冶金分析領域的最新進展。In icf research, the diagnosis of laser - produced plasma is a important area. it is important to research each mechanism of interaction between laser and plasma and verify stimulant program, then to direct designs for driver and target form
對強激光產生等離子體的診斷,是icf研究中的重要領域。它對于研究激光等離子體相互作用的各種機制、校驗模擬程序進而指導驅動器和靶形的設計等方面有十分重要的意義。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測量方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統,完成了多層膜反射率測量工作。If the focal point of the len shifts around the surface of the sample, the mass ablation, the temperature of the plasma and the spectral intensity appear asymmetric and their maximum occur at the location which is about 0. 4mm under the surface of the sample. ( 2 ) to the plasma of the aluminum alloy sample, when the operating voltage is 1600v, the height from the observed location of the plasma to the surface of the sample is 2mm and the argon pressure is 660 torr, the spectral intensity have the maximum values
( 2 )對于標準鋁樣品,在激光器工作電壓為1600v 、等離子體觀測高度為2mm 、氬氣壓力為660乇時,其譜線強度最強;以al 308 . 22nm 、 al 309 . 27nm兩條譜線為分析線,發現隨著環境氣壓的增大,譜線自吸效應明顯增強,當環境氣壓達到600 - 700乇時,譜線幾乎產生自蝕。In this experiment, a neodymium glass laser is used to study the effects of the operating voltage, power density, the height from the observed location of the plasma to the surface of the sample, the location of the sample, the gas composition and the pressure on the intensity and quality of the spectrum
本文採用高能量釹玻璃激光器,研究了激光器工作電壓、功率密度、等離子體的觀測高度、樣品位置、環境氣體及氣壓對等離子體的譜線強度及譜線質量的影響,獲得了最佳的實驗條件,並測量了金屬分析樣品中某些元素的含量。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。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。The optimized experimental conditions are determined and the densities of some elements in the mental alloy standard samples are measured. the experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density. ( 1 ) to the steel ally sample, the emission intensities of the spectra reach to the maximum values when the laser operating voltage is 1600v and the argon pressure is 600 torr. under the same pressure, the spectral intensity of the plasma in the argon atmosphere is stronger than that in the air. when the argon pressure is 320 to rr, the signal - noise ration is about 5 times than that which the argon pressure is 700 torr, but the temperature of plasma is less about 1000k
( 1 )對于光譜標鋼準樣品,當激光器工作電壓為1600v 、氬氣壓力為600乇時,譜線強度達到最大,並且在相同壓強下,氬氣中的等離子體與空氣中的等離子體相比,其輻射強度明顯增強;氬氣壓力為320乇時的譜線信背比約為600乇條件下的5倍,而等離子體溫度卻下降了近1000k ,即等離子體溫度隨環境氣壓的增大而增大;當激光束的焦斑在樣品表面上下移動時,激光誘導量、等離子體的激發溫度、譜線強度都呈不對稱性分佈,其最大值對應的焦斑位置都位於樣品表面之下0 . 4mm左右。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。Development and key problems of laser plasma micro - thruster
激光等離子體微推力器的發展及熱點問題As the globally strategic partner of the air products and chemicals, inc. ( hereinafter referred to as “ ap ” ), it will provide the choice gases and technical solutions to such photo - electron fields as optical fiber, flat - panel display and laser gas as well as such industries as metal heat - treatment, glass and food processing
作為美國氣體化工產品有限公司(簡稱「 ap 」 )的全球戰略合作夥伴, 「久策氣體」將為光纖、平板顯示器、激光氣等光電子領域和金屬熱處理、玻離及食品行業提供最優的氣體及技術解決方案。Abstract : a laser damage facilities, which has mm size spot and operates in tem00 mode , were achieved. in order to know the reasons of laser damage, the laser energy density was controlled near the damage threshold of the oxide thin films. according to the examined near - threshold damage morphology, the damage mechanisms of the optical coatings can be divided into two types. one was caused by melting of the coating materials, another by exploding, induced with the inner stress of the film. the plasma generated was an important reason to expand the damage area
文摘:採用毫米量級大光斑的近單模的激光器,控制入射薄膜表面的激光能量,獲得了幾種常見單層膜和增透膜的損傷形貌,實驗結果表明,薄膜的損傷可區分為熔化型和應力型兩種,薄膜表面等離子體對損傷斑點的擴大有重要作用。When passed through the beam - splitter, a pulsed laser beam was split into 3 beams with an interpulse delay of 13 ns. these 3 separated laser pulses reach the m - z interferometer at different time and each laser pulse gave a snapshot of the implosion state. thus three different - time interferograms can be obtained in one shot of z - pinch
激光器發出的光束經過分光系統被分成時間間隔13ns的三束光,它們于不同的時刻先後到達m - z干涉儀,每一束激光脈沖可以記錄下等離子的一個狀態,從而可以得到三幅不同時刻的干涉圖。Programs all requested parts that are to be machined on the current cnc plasma table & metal cutting laser machines in operation
根據最新的等離子切割機及激光切割機操作對所有的機器零配件進行編程。The analyzing model was established, and a novel inner - cladding structure of dcf with higher performance was designed. integrated by the absorption and emission characteristics of rare - earth - ions in dcf and the ld ' s pumping principle with its relative references, the - academic model of high power dcf laser with f - p cavity was based, by using methods of numerical analysis, the high power dcf laser was simulation with good results and consistency
結合稀土離子的吸收及發射特性及二極體泵浦固體激光原理,應用相關的理論建立了高功率f - p腔型光纖激光器的理論分析模型,利用matlab 、 mathcad , origin等軟體,採用數值計算及分析方法,結合具體參量數值對實驗進行了模擬分析,並研究了不同特性參量對激光器性能的影響。In addition, a number of courses, e. g., astronomy, relativity, astrophysics, computer simulation, solid state physics, plasma physics, laser physics, photonics, electronics, instrumentation, materials characterization, nanoscience, physics project and graduate courses, etc., are available for the students to choose as electives in order to fulfill their major requirements and to satisfy their own interests
除核心及組別科目之外,本系還設有天文學、相對論、天體物理、電算模擬、固態物理、等離子體物理、光子學、激光物理、電子學、儀器學、材料測試、納米科學、物理專題、及研究院等科目供同學選修。分享友人