激光器基質 的英文怎麼說

中文拼音 [guāngzhí]
激光器基質 英文
laser host
  • : 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...
  • : 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) ...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • : Ⅰ名詞1 (性質; 本質) nature; character; essence 2 (質量) quality 3 (物質) matter; substance;...
  • 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; ...
  1. The high - power semiconductor quantum well ( qw ) laser is a kind of luminescence device with superior performance, it has longe - lived, low threshold current density, high efficiency, high luminosity and excellent monochromatic, coherence, directionality, etc. the high - power semiconductor laser is widely applied to the fields, such as military, industrial machining, communication, information processing, medical treatment, etc. the material ' s epitaxy is the foundation of the whole laser ' s fabricating, and it has important influence on the optics and electricity performance about the laser

    大功率半導體量子阱是一種性能優越的發件,具有壽命長、閾值電流密度低、效率高、亮度高以及良好的單色性、相干性、方向性等特點,廣泛應用於軍事、工業加工、通信及信息處理、醫療保健等領域。材料的外延生長是整個件製作的礎,對件的學和電學性能有著重要的影響,生長不出優的材料體系,獲得高性能的件就無從談起,因此,材料的外延生長便成為了整個半導體製作過程之中的重中之重。
  2. 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

    陀螺的核心部件為he - ne環形,而掌握與介的相互作用理論是研究的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的礎上,推導環形諧振腔中描述he - ne氣體增益介原子運動的學布洛赫方程,運用介極化理論得出描述陀螺反向行波的強、位相所滿足的自洽場方程組,在此礎上,運用matlab模擬軟體和虛擬儀編程語言labwindows / cvi ,對陀螺中的介增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環強和相位特性進行模擬試驗研究,並且運用全量子理論,對工作原理進行分析,得出二能級系統單模輻射場的子數密度分佈,得出場的子統計分佈,模擬場的動態建立過程。
  3. The stability output second harmonic generation ( shg ) experiment results of single - longitudinal mode and multi - longitudinal mode with long cavity were explained reasonably with these rate equations. the high polarization of fundamental wave in the isotropic laser media nd : yag with type - i critical phase - matching lbo was studied with the rate equations including polarization of fundamental light. using the polarization function of lbo, a quartz full - wave plate was introduced into the cavity, a kind of birefringent filter by considering the combination of the polarization function of the type - i critical phase - matching doubling frequency crystal lbo and the quartz whole - wave plate was constructed

    將腔內多縱模倍頻速率方程推廣應用到準三能級藍中,分析了一個縱模、兩個縱模、多個縱模時的噪聲情況,合理地解釋了實驗中單縱模運轉以及長腔多縱模運轉時穩定輸出的實驗現象,同時利用該速率方程分析了以各向同性晶體nd : yag為工作物,類臨界相位匹配lbo為倍頻晶體的藍偏振特性,合理利用類臨界相位匹配lbo倍頻晶體的偏振特性與引入的石英晶體全波片構成雙折射濾片,通過選單頻來抑制噪聲,獲得了藍低噪聲的穩定輸出。
  4. Laser induced diffusion is a technology that dope the impurities into a certain region of semiconductor by a focused laser. it has the advantages of “ low temperature processing ” and ” direct writing ”, and it is promising to use this technology in the fabrication of monolithically optoelctronic integrated circuits ( oeics ) to solve the incompatibility problem between optoelctronic and electronic components

    誘導擴散是用聚焦的束局域加熱半導體片,將雜以擴散的方式摻入到特定區域並且達到一定要求的一種技術,具有「低溫處理」 、 「直接寫入」 、 「局域升溫」等獨特優點,可有效解決單片電集成件( oeics )中、電兩部分的工藝兼容這一難題。
  5. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此礎上查閱了大量文獻和資料,對該種進行了深入的研究,通過對yag棒直徑的合理選取併合理地改進反射鏡面,從而既保證了量又最大限度的增加了吸收長度,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極限值。
  6. The simulation results show that the feature point detection and tracking algorithm is feasible. next, matched points based essential matrix estimation is studied. the spacecraft attitude and position parameters are derived from essential matrix and the scale of motion is recovered with range information from laser ranger taken in account

    再次,研究於匹配特徵點對的本矩陣的估計演算法,給出了由本矩陣求取空間探測的姿態信息和位置信息的方法,並且結合測距儀信息,得到探測的運動比例參數,實現軟著陸過程的導航。
  7. The laser's basic structure, also called the resonant cavity, is essentially a long tube with mirrors at each end.

    本結構(也稱為諧振腔)實上是一根兩端都有反射鏡的長管。
  8. Based on certain theoretical analysis and toward thick recast layers and flaw ’ problem in laser drilling, adopting high power and high quantity laser carry experimental research

    並在理論分析的礎上以及針對打孔中出現的再鑄層和微裂紋等問題,採用研製的具有切割功能的高功率高量的,進行了打孔的實驗研究。
  9. A new approach for initial localization of the mobile robots, namely complete line segments ( cls ) based localization was proposed. the definitions of cls as well as its properties and decision rules were given. the experimental results show that this method has much higher computational efficiency and better localization accuracy

    作者先針對目前機人定位研究中的難點? ?初始定位,結合測距雷達的數據特點,提出了於完整線段( completelinesegments , cls )的初始定位方法,包括cls的定義、性和判定方法,並在機人試驗平臺上進行了實驗。
  10. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此礎上,給出了一整套bbo - opo參數設計方案:計算了不同泵浦強度下的參量放大倍數;詳細計算了在nd : yag調q各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論閾值條件;分析了飽和與泵浦束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善量的方法;考慮了bbo晶體的設計。
  11. With the theoretical and experimental methods, the characters of cr4 + : yag are studied from cr4 + : yag as passive q - switching in nd : yag laser, intracavity frequency - doubling of q - switching laser and dual - wavelength laser, which is based on cr4 + : yag ' s operations of saturable absorption and laser gaining medium. chapter 1 : introducing the cr4 + : yag ' s optical function, the general research situation and the main idea of this thesis

    本論文於cr ~ ( 4 + ) yag晶體既可以作為nd yag的被動調q開關、又可以作為增益介的特點,採用理論和實驗相結合的研究方法,詳細而具體的研究了cr ~ ( 4 + ) yag晶體被動調q 、調q倍頻和雙波長輸出的特性。
  12. In former stl instruments, a laser beam with a gaussian distributed intensity was commonly used as the excitation source. nevertheless, the output of a high power laser is usually a superposition of multi - modes rather than a gaussian distribution ( tem00 ). therefore, it is very convenient to add an aperture to get a top - hat beam

    以前的表面熱透鏡裝置中,多使用高斯束作為,但由於高功率一般為多模輸出,要獲得嚴格的模高斯束比較困難,而平頂束可以通過在前加一定大小的闌實現,降低了對量的要求,更有利於實際的測量。
  13. On the basis of this, the effective reflective index with the variation of the carrier density is discussed. this paper also analyzed the random facet phase and the length of the cavity ' s influence on threshold characteristic. especially, the wavelength tuning characteristics have been investigated in detail when one segment works as absorbed region

    在此礎上,研究了每一段等效反射率譜曲線隨載流子濃度變化的情況;分析了邊界相位的不確定性以及腔長對閾值特性的影響;重點討論了其中一段工作在吸收狀態下的波長調諧性
  14. Based on the character of the eof gain at 1550 nm, a laser diode ( ld ) worked at 980 nm and acted as the pumping source, a eof employed as gain medium, and a fiber grating used as reflector, an ring - cavity all - fiber laser worked at 1562. 5 nm was demonstrated with an output power of 2. 0 mw and a bandwidth of 0

    本文主要於摻鉺纖在1550nm波段的增益特性,利用帶尾纖的980nm半導體作為泵浦源,鉺纖作為增益介,布拉格柵作為諧振腔反射鏡,實現了波長為1562 . 5nm的環形腔,得到了2mw的輸出。
  15. In this paper dyes doped silica gels were prepared by sol - gel method in order to find the relationship between the character and the structure of the composite. techniques and theories will be attributed to the fabricating the excellent solid tunable dye lasers material

    本文是利用溶膠-凝膠工藝將有機染料均勻摻入到二氧化硅凝膠,以研究復合材料的組成、結構和性能間的相關規律,為制備性能優異的固體可調諧染料提供理論依據和工藝條件。
  16. The guided mechanisms and some fundamental properties of microstructured optical fibers ( mofs ) are numerical investigated using the full - vectorial plane - wave expansion method and finite element method. moreover, the applications of active and passive devices based on mofs are explored in this dissertation. especially, the fiber laser devices based on mofs, including yb3 + - doped double - cladding mof laser and mof raman amplifier, are theoretically and experimentally investigated

    本文在對微結構纖傳輸機制和本特性進行研究的礎上,探索了微結構纖在一些電子功能件方面的應用,並對於微結構纖作為增益介件進行了設計分析和初步的理論與實驗研究。
  17. As an example of 3d program with high quality mesh, proper boundary & initial conditions and ingenious simulation strategy, numerical analysis of flow - fields in hylte nozzle and cavity of dfcl running on fuel system of ( nf3 + h2 + he ) / d2 and experimental stagnation parameters, has been performed using vibration - state - unbalance & rotation - state - balance model, and a detailed kinetic model including 111 one - way primary reactions expressing by finite rate equations between thirteen species. the coefficients of transportation used in the analysis are calculated by employing the formulas of molecular kinetics

    新建立的三維程序在高量網格、合理的初邊值以及模擬方案礎上,採用振動非平衡?轉動平衡模型和有限速率方程表達的111個單向元反應的化學動力學模型,利用分子運動理論計算的輸運系數和工程實驗採用的滯止參數,對運轉( nf _ 3 + h _ 2 + he ) d _ 2燃料體系的df的hylte噴管和腔進行了數值模擬分析。
  18. Abstract : ferroelectric based nanocomposites are a new class of mesoscale functional materials which have a high dielectric constant and high electric field. recent progress in this research area is reviewed briefly, and a novel ferroelectric composite with embedded semiconductor quantum dots, including its preparation and optical properties, is reported. this material has promising applications in new electroluminescent devices and quantum dot lasers

    文摘:鐵電體納米復合材料作為一類新型功能材料,提供了一系列「高介-高場」調制的介觀系統.文章介紹了這一領域的最新研究進展,並重點報道了一類新型鐵電體納米復合材料鐵電體半導體量子點復合材料的制備與學性,該材料在新型電致發元件及量子點件中有著很好的應用前景
  19. To increase the energy storage and reduce fiber nonlinearities, the feasibility of multimode fiber being a waveguide in fiber amplifiers and fiber lasers have been discussed

    於這樣的限制,本文探討了以多模纖作為纖放大增益介波導的可行性。
  20. The high quality laser provides higher intensity / surface ratio with less overall laser power and in this way avoids the potential danger of heating up the thin film or the substrate

    高品可以在較小的總功率提高強和面積的比率,從而避免使薄膜或底過熱。
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