激光器穩定性 的英文怎麼說

中文拼音 [guāngwěndìngxìng]
激光器穩定性 英文
laser stability
  • : 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
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 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; ...
  • 穩定性 : antiwhip
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. Stability of passively modelocked femtosecond fiber laser

    飛秒被動鎖模研究
  2. 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輸出的實驗現象,同時利用該速率方程分析了以各向同晶體nd : yag為工作物質,類臨界相位匹配lbo為倍頻晶體的藍中基頻偏振特,合理利用類臨界相位匹配lbo倍頻晶體的偏振特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,獲得了藍低噪聲的輸出。
  3. 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的發展狀況、主要特及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag的閾值、輸出功率和斜效率的表達式,並簡述了的工作原理、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的設計方法,給出了一泵浦耦合方式下,振蕩模尺寸、最佳輸出耦合率、泵浦模尺寸、泵浦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和透鏡組耦合高功率ld泵浦nd : yag,對的輸出功率和功率等特進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag腔內插入一隻空液晶盒,觀察到了以單縱模運轉;最後,根據泵浦焦斑端面位置對輸出功率的影響規律,提出了ld端面泵浦nd : yag位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當晶體內泵浦平均斑半徑遠小於振西安理工大學碩士學位論文蕩束腰半徑時,輸出功率的自然指數與泵浦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,位移傳感的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. In order to increase the output power, reliability and stabilization, microchannel heatsink which is one of active heatsinks is used to cool high power semiconductor diode laser arrays in the paper

    為了提高的輸出功率、可靠,本論文選取有源熱沉? ?微通道熱沉來冷卻大功率半導體列陣。
  5. Theoretical result indicated that the self - q - switching in er - doped fiber laser based on sbs process was feasible in mathematics, and the conclusion has been presented that the dynamic characteristics of output pulse by sbs are effected tinily by the length of er - doped fiber in the system

    模擬實驗結果表明利用單模纖的受布里淵散射效應可在摻鉺系統內形成自調q過程,同時得到sbs產生脈沖動態特受到摻鉺纖長度改變量影響不大這一結論。
  6. In mis thesis, we report a laser with maximum output of 4. 16w, intensity fluctuation less than 0. 5 % ( rms ) in an hour, and frequency noise less than 340khz

    本文報道了單頻輸出4 . 16w ,長期功率波動范圍小於0 . 5 ,頻率優於340khz的
  7. A switchable and spacing - tunable dual - wavelength linear cavity edfl is demonstrated experimentally using this kind of bragg grating for wavelength selection. it exploits the birefringence characteristic of the fbg induced by transverse strain. transverse strain loading on the fbg allows the wavelength spacing to be controlled while axial strain shifts both wavelengths together

    2 .對軸向及側向應力共同作用下的纖布拉格柵的透射及反射譜特進行了理論及實驗研究,並首次把軸向及側向應力共同作用下的柵應用於進行波長選擇,得到了室溫下工作的波長及波長間隔可調的可開關雙波長的摻鉺
  8. The actively mode - locked erbium doped fiber laser is very attractive among those potential sources which can generate broadband tunable near transform - limited pulse with high repetition rate and has been used as the ideal optical transmitter and all optical clock source in the future long - distance communication systems

    對于高速纖通信系統而言,能輸出高重復頻率的、近極限超短脈沖的主動鎖模被認為是未來遠程無中繼纖通信系統的理想源。但其難點是工作問題。
  9. Laser - diode end - pumped solid - state laser has many advantages, including high efficiency, good beam quality, high frequency stability, narrow line width, long lifetime, compact configuration, convenient for using et al. especially, single - frequency solid - state laser sources are required for many fields of fundamental research and scientific application, such as gravity - wave detection, coherent laser radar, coherent communication and fiber sensing

    二極體泵浦的固體具有全固態、小型化、效率高、使用方便等優點而受大家的廣泛關注,尤其是實現單頻運轉的全固態以其優良的頻率特和輸出功率可廣泛應用在相干信息處理、頻率計量、量子學、引力波測量和量子信息等研究領域。
  10. By means of controlling accurately temperature of f - p cavity used in the frequency - stabilizing system of laser, the frequency stability of laser is significantly improved. especially the long - term unidirectional frequency shift is essentially overcome

    從實驗結果,我們得出將作為頻率標準的f ? p腔精密控溫與對該腔不控溫對振蕩頻率進行鎖的結果相比較,清楚看到短期有一提高,重要是對作為頻標準f ? p腔精密控溫,消除了由於溫度變化引起的頻率慢漂移。
  11. The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time

    Ktp晶體的電應用試驗表明:用離子交換法製作的電波導,其離子交換濃度、折射率變化符合餘弦誤差函數,學均勻以及件的溫度較好;製作的強度調制電開關,消比為150 : 1 ,對1064nm的插入損耗為2 . 5 ;製作的電調制用於脈沖整形試驗,從脈沖寬度50ns的脈沖削出脈寬1ns的高質量脈沖,該電開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。
  12. To satisfy the experiment request, the equipment generating magnetic field and the angular instrument are improved. for light wave from semiconductor laser is infrared wave in the experiment, the calibrating measurement utilizing visible light from he - ne laser is used. firstly the light path is adjusted using visible light roughly

    在搭建系統時,根據實驗要求對磁場儀(小磁場時的)及摘要第2頁測角儀(測量精度)進行了改進;在調整路時, (又據使用的紅外源的特點,採用了先利用he ne的可見波粗略校準路,然後換用半導體精確校準路的方法。
  13. Temperature stabilized red laser at 671 nm

  14. Diode - pumped solid - state laser ( dpl or dpssl ) is solid - state laser, used laser diode ( ld ) instead of flash lamp to pumping laser media. comparing with flash lamp, it has a lot of advantages, such as high efficiency, reduced size, compactness, stabilize and longer lifetime

    二極體泵浦的固體( dpl或dpssl )是用二極體( dpl )代替閃燈泵浦晶體的固體,與燈泵浦相比,具有效率高、體積小、結構緊湊、、壽命長等優點,已成為當今固體發展的主要方向。
  15. It has shown a good agreement with the theoretical results and proved that the appropriate combination of two passive q - switch could enhance stability of the laser

    進一步的實驗表明,這種在輸出特上比一般的sbsyag激光器穩定性更高。
  16. In addition, the breakdown and the degeneration of pcss " s are serious problems in the applications. in this dissertation the mode of luminous charge domain is perfected ulteriorly by deeply studying the dynamics characteristic of high - field domain of the trans - electron device with experiment stability of nonlinear pcss

    本文在通過對轉移電子件偶極疇的動力學特徵作了深入分析的基礎上,結合非線pcss ' s的實驗,對非線pcss ' s的發電荷疇理論模型作了進一步的完善。
  17. 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價格低、、能輸出綠和紫束聚焦后能達到鍍膜要求。
  18. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次,由於一直以來藍oled件的研究處于相對落後的狀態,其發亮度、效率、和色純度都無法綠件相比,所以本論文在以下幾個方面對藍件的能進行了系統的研究: 1 )研究了雙異質型藍oled件,由於本研究引入了空穴阻擋層,使得載流子的復合和子的擴散被限在發層內,件的發效率達到了1 . 90lm / w ,最大亮度達到了10000cd / m2 ,比傳統結構件的效率和亮度提高了約一個數量級; 2 )制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled件,研究發現,當改變各有機層厚度時,件的電致發譜發生了從綠到藍的移動。
  19. The self - q - switched pulses of high erbium - doped fabry - perot cavity fiber laser are observed and theoretically analyzed. ( 2 ). utilizing the non - linearity characteristics of single mode fiber - back stimulated brillouin scattering ( bsbs ) and the wavelength - selecting characteristics of fiber gratings, self - q - switched pulses are achieved from a linear cavity erbium - doped fiber laser pumping by a 980nm ld continue wave ( cw ) pumping, the pulse width is 2. 2ns and the repetition frequency of pulses is 64. 5mhz

    ( 2 )利用單模纖的非線效應背向受布里淵散射( bsbs )和柵的選頻特,採用980nm半導體連續泵浦方式,在線腔摻鉺中實現了自調q運轉,獲得脈沖寬度( fwhm )約為2 . 2ns ,重復頻率為64 . 5mhz的脈沖輸出。
  20. The definition of stability and repeatability of the laser frequency and factors affecting the stability of laser frequency were analysed. the normal methods used to stabilise frequency and produce double - frequency were explained. after analysing the working conditions and related parameters of the laser device, it was concluded that the laser tube should be put inside an insulating cover and an electric discharge tube with a bigger diameter and length, smaller wall thickness and a higher thermal conductivity coefficient should be chosen

    分析了頻率的、復現義及影響頻率的因素;介紹了常見的頻及產生雙頻的方法;分析論證了雙縱模熱頻的使用條件和有關參數的關系,得到結論是:應將管裝在保溫罩內;選用放電管直徑及長度大、壁厚小、材料導熱系數大的放電管。
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