腔內倍頻 的英文怎麼說

中文拼音 [qiāngnèibèibīn]
腔內倍頻 英文
intracavity frequency doubling
  • 腔 : 名詞1. （動物體內空的部分） cavity; chamber 2. （話） speech 3. （樂曲的調子） tune; pitch 4. （說話的腔調） accent; tone
  • 內 : 名詞1. （內部; 里頭; 里邊） inner; inside; within 2. （妻子或妻子的親屬） one's wife or her relatives 3. （姓氏） a surname
  • 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...
  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. The experiment of intracavity doubling of a 946 nm nd : yag laser with an lbo crystal has been done at room temperature. a continuous wave 473 nm laser is obtained with 235mw output power at a pump power of 20w. the laser beam quality of 473 nm is good as well

    對腔內倍頻輸出473nm激光進行了初步的實驗研究，在泵浦功率為20w時， l獲得了光束質量較好的連續波形式的藍光激光輸出，其功率為200mw 。
  3. When ktp and lbo are all placed extracavity, 450nw 355nm ultraviolet light is obtained, with the pulse repetitive frequency being 3. 5khz. when ktp is located intracavity and, however, lbo is placed extracavity, 300mw ultraviolet is obtained. figure “ v ” cavity thg.

    腔外倍頻: ktp和lbo均在腔外，重復頻率3 . 5khz時獲得了450mw的355nm紫外光輸出; ktp在腔內而將lbo放在腔外，重復頻率3 . 5khz時獲得了300mw的355nm紫外光輸出。
  4. 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。
  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. Among these, some cr4 + - doped crystals have the character of polarized absorb, and can obtain the linear polarized output pulse laser without any polarizer. it ' s a very good character for intracavity frequency doubling

    其中有的含cr離子晶體還具有偏振方向選擇的吸收特性，不加任何偏振元件即可輸出線偏振的脈沖激光，這對于腔內倍頻是一個非常好的特性。
  10. 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。
  11. 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。
  12. The major new work includes : 1. the green problem in intracavity - frequency - doubled lasers with folded - resonator is studied based on the jones matrix and coupling wave equation methods

    首次將jones矩陣法與內腔倍頻耦合波方程結合起來研究折疊腔-內腔倍頻中的「綠光問題」 。
  13. At first, we introduced the velocity equation of dpssl, which operates in the multi - longitudinal modes. then, we give the dynamic equation of intracavity doubled - frequency dpssl, when we take in the shg ( second harmonious wave generation ) equation

    本文首先介紹了固體激光器多模運轉的速率方程，結合二次諧波的產生方程，給出了內腔倍頻固體激光器的動態方程。
  14. The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5

    將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似，獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程，並通過數值求解該方程比較了兩種近似下脈沖特性的不同； 5 .實驗驗證了2中提出的實驗方案，並對實驗結果進行了分析。
  15. Ld - pumped nd : yag, lbo ( type - i critical phase matching ) intracavity frequency doubled, blue laser at 473nm was obtained finally. under the condition of 14w pump power, high power tem00 mode blue laser at 473nm of 1. 1w was obtained. by means of inserting diaphragm into cavity, the power fluctuation and beam mode were improved ; in the experiments, the proportion of special mode matching in quasi - three - level laser was discovered, and the phenomenon were explained reasonedly

    實驗上採用對熱效應不敏感的三鏡折疊腔， ld泵浦nd : yag ，類相位匹配lbo作為倍頻晶體，獲得了1 . 1瓦的連續473mn藍光輸出；採用腔內插入光闌的方法，有效克服了功率抖動，同時改善了光斑模式；實驗中發現準三能級激光器存在兩個空間模式匹配比例關系，並對這一現象給出了合理的解釋。
  16. 4. combined with front analysis, both extracavity and intracavity frequency tripling have been designed

    4 .結合前面的分析與總結，設計了腔外和腔內兩種倍頻方式。
  17. The theory research on the location of a frequency doubling crystal in a double - pass intracavity frequency doubling laser

    雙程腔內倍頻激光器的諧波晶體腔內位置的理論研究
  18. This thesis mainly focuses on the generation of blue light by utilizing the external frequency doubling with knbo3. following is about the contents. 1

    其主要內容如下： （ 1 ）從理論上分析了knbo _ 3晶體外腔諧振倍頻的產生原理。
  19. The thermally stable condition of intracavity - frequency - doubled lasers with folded resonator is analyzed based on the matrix optics

    使用矩陣光學方法分析了型折疊腔內腔倍頻激光系統穩定運行的條件。
  20. When ktp and lbo are located in two arms respectively, 547mw 355nm ultraviolet light output is obtaind, with the pulse repetitive frequency being 3. 5khz. changing the direction of output, the output power is 380mw. when ktp and lbo are located only in the same arm, 585mw 355nm ultraviolet light output is obtaind

    V形腔腔內內倍頻: ktp和lbo分別放于兩個臂，重復頻率3 . 5khz時獲得了547mw的355nm紫外光輸出，若是改變光的輸出方向，同樣頻率下輸出功率355nm紫外光的功率為380mw ; ktp和lbo分別放在一個臂上，重復頻率3 . 5khz時獲得了385mw的355nm紫外光輸出，若是改變光的輸出方向，同樣頻率下輸出功率355nm紫外光的功率為420mw 。
分享友人
分享到 Line

分享到臉書