激光倍頻器 的英文怎麼說

中文拼音 [jīguāngbèibīnqì]
激光倍頻器 英文
laser frequency multiplier
  • 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） ...
  • 倍 : Ⅰ名詞（跟原數相同的量） times Ⅱ形容詞（加倍） double; twice as much
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 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
  • 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. Under the incentive of the civil - market demanding such as laser material processing and the military - market demanding such as a new generation of laser weapon candidate and icf, diode - pumped solid laser ( dpsl ) develops rapidly worldwide. as an important application, diode - pumped intracavity - frequency - doubled laser is attached much importance in recent years, but there still remain many problems unresolved completely. in this paper, i have given some abecedarian study results on some of these problems theoretically and experimentally

    因工業激光材料加工等民用市場的需求以及慣性約束聚變和作為新一代激光武器候選器件等軍方需求的推動，國際上高功率二極體泵浦固體激光器（ dpsl ）的研究進展迅速，作為dpsl的一個重要應用，內腔倍頻一直得到大家的重視，但仍有許多未徹底解決的問題和理論上的不完備之處，本論文擬對其中的一些問題作一初步的理論和實驗研究。
  2. It is transparent in a region from the visible to the infrared range ( 0. 45 - 13 ? m ) and has a fitful birefringence and a large nonlinear coefficient. aggas2 crystal can be made to be octonary device, difference - frequence device and parametric oscillator, and laser sources of different frequences in 1. 8 - 11 ? m band can be provided

    其紅外透波范圍寬（ 0 . 45 - 13 m ） ，具有適宜的雙折射率和大的非線性系數，可製成倍頻、差頻和光參量振蕩器件，在1 . 8 - 11 m范圍內可提供多種頻率的激光光源。
  3. The noise proprieties of cw intracavity doubling - frequency blue laser were studied in theory and experiments

    從理論和實驗兩個方面研究了連續波腔內倍頻藍光激光器的噪聲特性。
  4. Firstly, we analyze the character of nd : yag, bbo and lbo, for nd : yag crystal and select the nd : yag as the gain medium and lbo as doubling - frequency crystal. ln the theory, analyzing the parameter of the gain medium length, the ratio of the pump - and laser - beam waists. based on the above analysis, we design the resonance cavity

    首先，我們對增益介質的性質和非線性晶體bbo和lbo的一些性質進行了比較，選取nd ： yag作為增益介質， lbo作為倍頻晶體。理論上分析了激光器設計中的一些參數值，如增益介質長度、模式交疊率、最佳倍頻條件，並根據理論分析結果設計了諧振腔。
  5. 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光激光器中，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激光器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激光晶體nd : yag為工作物質，類臨界相位匹配lbo為倍頻晶體的藍光激光器中基頻光偏振特性，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光片，通過選單頻來抑制噪聲，獲得了藍光低噪聲的穩定輸出。
  6. Studies on ld end - pumped nd : gdvo4 ktp intra - cavity - frequency - doubling green laser

    腔內倍頻綠光激光器的研究
  7. High - power high - efficiency nd yvo4 ktp intracavity - doubled green laser end - pumped by a diode - laser - array

    腔內倍頻連續綠光激光器研究
  8. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  9. 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。
  10. The prerequisite of actively mode - locked fiber laser stable work is that the modulation signal frequency must be the integral multiple to the cavity resonance frequency

    主動鎖模光纖激光器穩定工作的前提條件之一是調制信號頻率應為腔內縱模間隔的整數倍。
  11. The laser give out 10. 7mw green light, pumped 900mw. we observed it for 40 hours, the noise of green power is lower than 1 %. we optimized the laser cavity later

    激光器工作在相互平行的多縱模模式下，在900mw的泵浦輸入功率下得到倍頻光功率為10 . 7mw ， 40小時連續輸出光功率噪聲1 。
  12. We advance, for the first time to our knowledge, that efficient self - pumped phase conjugation performed with an ceibatioa crystal with low repetition ( lhz - 10hz ) nanosecond pulses from a q - switched nd : yag laser. phase conjugation reflectivity as high as 21. 5 % were obtained at an incident angle of 50. 3

    首次獲得了低脈沖重復率（ 1hz ）的調q倍頻nd ： yag激光器作用於ce ： batio _ 3浙江大學碩士學位論文晶體，產生自泵浦位相共軛（ sppc ）作用的實驗結果。
  13. 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 。
  14. The nonlinear reverse saturable absorption measurements of composite materials were performed with a frequency - doubled q switched nd : yag laser. appreciable effect of optical limiting was observed in the experiments

    用yag倍頻調q脈沖激光器測試了復合材料的非線性反飽和吸收性質，發現材料具有明顯的光限幅效應。
  15. Abstract : with the use of the theory of blazed phase gratings, the color separation phase grating used for icf drivers is designed, which can off - axis separate the fundamental, 2nd and 3rd harmonic waves. theoretically, its diffraction efficiency for 0 " th order at the 3rd harmonic wave is 100 %. experimentally, a color separation grating is made. both its separation angles ( at the 1st and 2nd harmonic waves ) and its diffraction efficiencies for 0 " th order are measured, and some significant results are presented

    文摘:採用相位閃耀光柵原理設計出用於icf驅動器中能離軸分離基頻、二倍頻、三倍頻激光的色分離相位光柵，理論上三倍頻零級衍射效率達到100 ，同時，對該相位光柵進行了實際製作和實驗測量，測出了基頻光和二倍頻光的分離角以及光柵的零級衍射效率，得到了一些有意義的結果。
  16. 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

    本論文基於cr ~ （ 4 + ） yag晶體既可以作為nd yag激光器的被動調q開關、又可以作為激光增益介質的特點，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倍頻和雙波長激光輸出的特性。
  17. A q switched nd : yag laser operating at 532nm was used in our experiment as thermal source

    實驗中採用波長為532nm脈寬為7ns的倍頻q - yag激光器作為激發光源。
  18. This kind of laser can output two beams of green and violet. after focused, the laser beam is totally meted with the requirements of pld

    國產的四倍頻yag激光器價格低、性能穩定、能輸出綠光和紫光，光束聚焦后能達到鍍膜要求。
  19. Introducing abcd theory, the laser mode was analyzed ; with thermal effect consideration, a short folded - cavity resonator which was not sensitive to thermal effect was designed. thus, the requirements for efficient doubling frequency were satisfied. 3

    採用標準abcd傳輸矩陣理論，對激光器腔模式進行了詳細的分析，在充分考慮熱效應的前提下，根據實際情況，合理設計出對熱效應不敏感的三鏡折疊腔，產生兩個光腰，既滿足了泵浦光能量的充分利用，也滿足了縮小光腰提高倍頻效率的要求。
  20. So, in the process of laser powder rapid micro - fabrication, to gain the fine light solidification unit, mainly should adopt two following aspects : 1. using the laser that has the mini - focus spot. usually select the doubling frequency laser or fiber laser

    要想獲得細小的光固化單元，對于激光粉末快速微成形工藝而言，主要從下面兩個方面入手: 1 .使用光斑直徑細小的激光器2 .選擇粉末顆粒直徑小的金屬粉末作為激光粉末快速微成型固化材料為了解決精細聚焦問題，我們採用nd : yag倍頻的方法獲得短波長激光器。
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