自脈沖激光器 的英文怎麼說

中文拼音 [màichōngguāng]
自脈沖激光器 英文
self-pulsing laser
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • : 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
  • 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. There has been a revolutionary advance in ultrashort pulse technology since the discovery of self - mode locking of ti : sapphire lasers. few - femtosecond pulses have already been generated from ti : sapphire lasers, by means of combining self - phase modulation with negative group velocity dispersion, which is similar to the way of soliton generation

    鈦寶石鎖模的發現使得超短技術發生了革命性的變化,利用相位調制和負群速度色散結合的類孤子產生方式,人們已經在鈦寶石鎖模上得到了寬只有幾個飛秒的
  2. However, in the pulse application fields, the output pulse energy from single mode fiber lasers or amplifiers is limited by amplified spontaneous emission ( ase ), nonlinear effect and facet damage

    應用領域中,這類小芯徑纖放大的輸出能量受限於發輻射放大、非線性效應以及纖的端面損傷。
  3. 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穩定形成調q過程,同時得到sbs產生動態特性受到摻鉺纖長度改變量影響不大這一結論。
  4. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感具有實時探測,易操作,可以直觀顯示波前畸變分佈等優點,被廣泛地用作適應學系統的波前信息探測和波前畸變補償,大氣湍流統計特性表徵,學元件檢測,束質量評價,超強波前整形,大氣通信以及人眼象差測量等各個領域之中,其探測精度的高低對整個學系統的工作性能有著極其重要的影響。
  5. 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

    首次獲得了低重復率( 1hz )的調q倍頻nd : yag作用於ce : batio _ 3浙江大學碩士學位論文晶體,產生泵浦位相共軛( sppc )作用的實驗結果。
  6. The main part and key technique of the cpa system is study : the generation of the femtosecond laser pulse is study, the modulation and maintenance of the ti : s laser is learned ; the types of the measurement for ultrashort laser pulse is generalized and the interferometric autocorrelation is expatiated ; the varieties of the stretchers is sum up and aberration - free stretcher is calculated and optimized to improve the stretching ratio ; the pulse selection is analyzed and a single pulse can be selected successful from the pulse train at a repetition rate of 82mhz ; the kinds of the amplifier in cpa system is gathered up, the eight - pass pre - amplifier and a good many effects in it is investigated. finally, the second, third and fourth - order dispersions in cpa system is analyzed systemicly, and the according means for dispersion compensation is worked out

    對cpa系統的主要環節及關鍵技術進行了研究:掌握了鈦寶石的調節和維護技術,較深入地研究了飛秒產生的機理,其中對群速色散、相位調制、鎖模等問題進行了詳盡的分析;總結了超短的測量技術,重點研究了干涉相關測量法;在總結展寬類型的基礎上,對無象差展寬進行了理論計算、優化設計,提高了展寬倍數;深入論述了列的選單問題,熟練掌握了選單技術。
  7. Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology

    半導體泵浦的固體由於兼有了二極體和固體的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體泵浦固體yag系統對電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、動控制系統中應用廣泛的單片機數字化動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了半導體電源。
  8. 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 )利用單模纖的非線性效應背向受布里淵散射( bsbs )和柵的選頻特性,採用980nm半導體連續泵浦方式,在線性腔摻鉺中實現了調q運轉,獲得寬度( fwhm )約為2 . 2ns ,重復頻率為64 . 5mhz的穩定的輸出。
  9. The range - finding and aiming device is an important component of the self - propelled gun fire - control system, which is consisted of pulse liquid lazer, an automatic mounting unit with step by step motor, and a master controller box specified for information control and management, etc. modern warfare requires a low rate of weapon malfunction and consequent stoppage

    行火炮測瞄裝置是行火炮火控系統的重要組成部分,它由固體帶步進電機的動裝表機構和一個以信息處理和控制為中心的主控箱等組成。現代戰爭要求武裝備要有一個盡量小的故障發生率和故障停機率,一旦發生故障,要求維修人員能迅速準確地判斷故障單元和故障性質。
  10. A diode pumped cr4 +, nd3 + : yag crystal self - q - switched laser is demonstrated with fiber coupled ld and the imaging system. the pulse laser with 1064 nm wavelength is obtained. the maximum average output power is 3. 36 w, and the pulse duration is 65 ns, and the repetition rate is 87 khz, the opto - optical efficiency is 15. 3 %, the slope efficiency is 23. 8 %

    纖耦合輸出的ld ,通過成像系統會聚,對二極體泵浦的調q進行了實驗研究,得到了平均功率3 . 36w ,寬度65ns ,重復頻率87khz的1064nm
  11. ( 3 ) without driving signal, all fiber q - switched lasers can achieve self q - switched pulse, measuring the effect of different pumped power to self q - switched and giving reasonable theory analysis

    ( 3 )全纖調q,在沒有驅動信號的情況下,得到調q,測量了在不同泵浦功率條件下對調q現象的影響,並從理論上給予了合理的分析。
  12. 4. the lpfgs are used in single wavelength er - doped fiber amplifiers ( edfas ) as a spontaneous emission noise ( ase ) filter, and the gain of the edfa is increased by 7db and the noise figure ( nf ) is decreased by 0. 5db, for the first time

    4 、成功研製了摻鉺纖放大,首次將高頻co2寫入的長周期柵應用到摻鉺纖放大中作為發輻射噪聲濾波,使edfa的增益提高了7db 、噪聲系數降低了0 . 5db 。
  13. For the ld pumped self - q - switched laser, the peak power, pulse energy, pulse width and energy extraction efficiency, which have been influenced by the loss in the cavity, cavity length and the threshold absorption coefficiency of the absorber, have been calculated. then we know how to choose the parameters of the self - q - switched laser for design

    根據調q二極體泵浦固體的特點,計算了腔內損耗、腔長和飽和吸收體的初始吸收系數對于峰值功率、單能量、寬度和能量利用率的影響,並由此提出了設計調q中的參數選擇規律。
  14. Non - selfsustained longitudinal discharge co2 laser employing helical transverse - pulsed preionization technology is investigated for the first time. the main discharge and output power are well controlled by the pre - ionization pulser

    採用螺旋結構橫向預電離技術首次研究了非持縱向放電co _ 2,非的主放電和輸出功率由外加的預電離控制,的可控性非常好。
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