激光用氣體 的英文怎麼說
中文拼音 [jīguāngyòngqìtǐ]
激光用氣體
英文
gases for lasers- 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) ...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 體 : 體構詞成分。
- 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; ...
- 氣體 : gas; gaseous fluid
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In recent years, the longitudinal pulsed - discharge gas lasers with diffusive cooling have received renewed interests. a compact low power pulsed laser with high repetition rate has potential importance in laser exploration, fine mechanical processing, photochemistry and so on
近年來,縱向放電的脈沖氣體激光器重新受到了人們的重視,一種小型的低功率的高重復頻率脈沖激光器在激光探測、精細加工和光化學等許多應用領域,有重要的應用前景。( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。It verifies the accuracy of the circuit through the experiment with the experimental oscillogram. we discusses the knowledge of technology of high sensitivity and raise the experiment plan and the practice data which has important means to the c02 communication system of large capacity
本文對高靈敏度信號檢測技術進行了深入的研究,提出了具體實驗方案、給出實測數據,這對大容量co2大氣激光通信系統的進一步工程化、實用化具有一定的指導意義。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。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。Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides.
由於氣體激光器常用作光源,故必須將其光束耦合到薄膜波導中去。Gases for lasers
激光用氣體We present here a case of a patient with glottic stenosis following endotracheal intubation, who experienced this potentially catastrophic combustion during endoscopic arytenoidectomy, using a diode laser under general anesthesia via 60 % fio2, with an airway fire occurring at the tracheostomy tube and causing tubal damage and obstruction
我們報告一位因氣管插管所導致的真聲帶狹窄病例,在氧氣分率60 %的全身麻醉下,使用二極體激光從事內視鏡披裂軟骨切除手術時,發生氣切管著火。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。Our next - generation high - resolution spectrometer is a novel combination of optics and electronics that is ideal for applications such as characterizing lasers, measuring gas absorbance, and determining atomic emission lines
我們下一代高解析度分光計,是一種新的光學和電子學器件的組合,對在激光特徵分析,測量氣體吸光率和確定原子散射線等領域的應用很理想。Water shutoff agent dsz - a is composed of inorganic particle. its specialities are low cost, easily flow, high strength and long valid period. the agent suits non - selective water shutoff in sand formation. dsz - a not only can plug high water - bearing formation, but also can plug case leakage. dsz - a has been applied on site and gotten good effect. it is a agent which has wide prospect
井下護泵除砂裝置主要用於產液氣量高,出砂能力大,利用常規裝置、常規方法很難治理的井.它的設計是建立在丟手封隔器卡封的基礎上,將液體攜砂能力由地層進入泵管轉變為先過濾(雙層激光割縫篩管部分) ,再在除砂器內靜態沉澱、由單流閥排入井底等一系列除砂護泵優點.本文著重介紹了井下護泵除砂裝置的工作原理與應用情況The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge.
「發射」氣體激光(也就是反轉能產生光放大的那些狀態的粒子數)的最普通方法是運用氣體放電。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。Mdamb543 human mammary carcinoma cells were used for the photodynamic effect experiment in vitro, they were incubated with varying concentrations of photosensitizers dissolved in rpmi 1640 medium, then were irradiated by copper vapor laser with mixed wavelength light of 510. 6nm and 578. 2nm. cell survival rate was analyzed by mtt assay
以體外培養的乳癌mdamb543細胞為靶細胞,和不同濃度的不同光敏劑孵育,在不同能量密度的銅蒸氣激光下,用mtt法檢測不同光敏劑對細胞的殺傷強度。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 addition, from the angle of removing the negative gain media in the cycling gas and the excitation - counteracting media, we put forward the eliminating the impurity by using of the non - uniform stationary electrical field and the swirling electrical field so as to improve the effective excitation of the laser media
本文還從清除循環氣體中負增益介質以及消激發介質的角度來改善激光介質的有效激發,提出了使用非均勻靜電場和渦旋電場清除雜質的方案。理論分析與部分實驗驗證表明,這兩種方案都能有效地清除混合氣中的雜質。Firstly, the main structure and integral parts of the atmospheric laser communication system are described in this thesis. with view to the demand of the whole system, it discusses one of the key technologies of optical communication, that is apt technology. it produces the general design and work process of apt system
本論文首先講述了大氣激光通信系統的主要結構和組成部件,然後圍繞課題戰技指標要求,闡述了光通信的關鍵技術之一apt技術,給出了apt系統的整體設計和工作過程,並利用數字控制的基本概念,對apt中的平臺穩定伺服系統進行了詳細設計,給出了模擬實驗結果。The rf discharge excited waveguide co2 laser has been the suitable light source of lidar, because of its low volume, high efficiency and the particular wavelength
由於射頻激勵波導co _ 2激光器體積小、效率高、調諧范圍寬、波長正處于大氣透射窗口等獨特優勢,它已成為激光雷達等應用的理想光源。Pda laser flow velocity testing technique was used to measure the flow velocity of solid particles in the solid - liquid - gas three - phase system in a flotation cell and obtained the velocity distribution of solid particles so as to provide reliable data for the study on adsorption and deadsoption mechanism of particles onto and off from bubbles
採用pda激光流速測試技術,在固-液-氣三相體系中對浮選槽中固體顆粒進行了流速測定,獲得了固體顆粒的速度分佈,為礦粒與氣泡粘附過程和脫附過程機理的研究提供可靠數據。The mathematical relationship of breakdown voltage of gas discharge in co2 laser excited by rf is derived by using reduced model based on the theory of gas discharge and several physical parameters which influence gas discharge breakdown of laser are pointed out
摘要以氣體放電理論為基礎,利用簡化模型推導出射頻激勵co2激光器氣體放電擊穿電壓的數學關系式,指出影響激光氣體放電擊穿的幾個物理參量。分享友人