抽運光 的英文怎麼說
中文拼音 [chōuyùnguāng]
抽運光
英文
pumlight-
Optimization of drive pulse configuration for transient ne - like fe x - ray laser
射線激光抽運脈沖結構的優化計算Magnetic induction - pumped laser
磁感應抽運激光器The maximum 50500 photo counts per second with 76mhz pump pulse frequency is detected. the probability to be single - photon state of every count is better than 99 % 5
在抽運光脈沖重復頻率為76mhz的情況下，得到了每秒50500次的下轉換光子記數，其中單光子概率大幹99 。Semiconductor saturable absorber mirror mode - locked optically pumped vertical - external - cavity surface - emitting semiconductor lasers
半導體可飽和吸收鏡鎖模光抽運垂直外腔面發射半導體激光器To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space
摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器，根據空間太陽光譜分佈特點，採用數值方法，計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。Spaceborne sun pumped laser
空載太陽抽運激光器Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應，考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說，這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時，可得到消除多普勒增寬的精度In this paper, dual - beam transmission problem that possess to a certainty included angle and gains the nonlinear schrdinger coupled equation ( nnlse ) in self - defocusing media is discussed
摘要自散焦介質中雙光束斜入射耦合能發生光束偏轉，通過數值模擬發現在非線性折射率不是均勻分佈時光束偏轉能降低抽運光功率並且偏轉角度不減小，在相同的功率條件下，能產生更大的偏轉。The effect of phase - shift between pumping and signal light on the transmission performance of dynamic - soliton system using phase sensitive amplifier ( psa ) as on - line amplifiers is theoretically analyzed by computer simulation
摘要採用計算機系統模擬方法，研究抽運光與信號光之間的相位漂移對在線放大器為相敏光放大器的動態孤子傳輸性能的影響。The results indicate that the temperature and thermal stress distribution in disk are related with the medium geometry and the special distribution of pump intensity
結果表明：激光介質中的溫度分佈和熱應力分佈與抽運光斑及介質的幾何形狀密切相關。The results indicate that for the same pump intensity, the temperature and thermal stress distribution in the disk are not only related with the medium ' s geometry and the special distribution of pump intensity but also related with the fill factor of pump area
結果表明，在相同的抽運功率密度下，激光介質中的溫度分佈和熱應力分佈不僅與激光介質幾何構型及抽運光空間分佈有關，還與抽運光斑在介質表面的填充因子密切相關。2. we measure the down - conversion ring with ccd and analysis the thickness of the down - conversion ring. 3
分析了抽運光的走離效應和群速失配對下轉換過程的影響。The idler light is then made to beat with the pump light, the latter is converted into additional amounts of idler and signal light.
無效光與抽運光成拍，抽運光又轉換成更大量的無效光和信號光。The effect of pump beam ' s walk - off and the group - velocity - mismatch in bbo crystal is discussed, the group - velocity - mismatch can be compensated by non - collinear phase - match when the angle between signal and idler beams equals to 14. 4
當下轉換光與抽運光夾角達到13 . 4度時，非共線相位匹配基本可以消除晶體中群速失配對下轉換過程的影響。The relationship of cut - angle and the degree between pump beam and signal beam in bbo crystal pumped by 425nm pulse is theoretically calculated. 28. 7 cut - angle bbo crystal is chose for our use, which correspond to a 5 angle between pump beam and signal beam
在中心波長425nm飛秒脈沖抽運、下轉換光頻率簡並的情況下，選擇晶體的切割角為28 . 7度，對應下轉換光與抽運光在晶體外夾角為5度。When the fill factor is less than 1, the concentrated tensile stress appeares near edge of disk surface, while the fill factor reaches up to 1, the surface exhibites compressive stress, and the center is less tensile stress
當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質表面的最大軸向位移和最大拉應力隨光斑填充因子增大而增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。When the pumping area cannot approach the disk had aperture, the concentrated tensile stress appears near the edge of disk hard aperture, while the disk is pumped full aperture the surface exhibits compressive stress, and center is tensile stress which is lesser
當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質中最大拉應力和表面的最大軸向位移隨抽運光斑尺寸縮小面增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。The heat from quantum defect and pumping beams except absorption spectrum is decreasing
量子虧損發熱和吸收光譜以外的抽運光輻射引起的發熱都減少了。Simulation results show that the phase - shift between pumping and signal light in psa results in descending of soliton pulse amplitude
模擬結果表明：抽運光與信號光之間的相位漂移將導致孤子脈沖幅度下降。In this thesis, we used the q - switched nd : yag laser pulse focused by lens to pump the cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, with the pump laser pulse duration and energy of 30ns and 50 mj separately, and got the laser pulse with center wavelength, pulse duration and energy of 1. 22 m, 8. 2 ns and 10 mj on the best work condition. on the base of zhangguowei s approximation about gain - switching and the parameter of cr ~ ( 4 + ) : mg _ 2sio _ 4 crystal, we calculated the time characteristics of cr ~ ( 4 + ) : mg _ 2sio _ 4 laser pulse with rate equation by numerical method, obtained the conclusion that the laser pulse duration is only related to the pump energy and cavity length : the larger the pump energy is, the narrower the pulse duration is ; the longer the cavity is, the wider the
本論文採用調qnd : yag脈沖激光通過透鏡聚焦后縱向抽運cr ~ （ 4 + ） : mg _ 2sio _ 4晶體，抽運光脈沖寬度為30ns 、能量為50mj ，在較佳工作條件下得到了中心波長為1 . 22 m 、脈寬為8 . 2ns 、能量為10mj的激光脈沖;並在張國威分析增益開關時間特性的近似法基礎上，結合實際的cr ~ （ 4 + ） : mg _ 2sio _ 4激光器的相關參數，從速率方程出發，用數值計算的方法更為精確的模擬了cr ~ （ 4 + ） : mg _ 2sio _ 4激光器輸出激光脈沖的時間特性，得出了激光脈寬只與抽運能量、腔長有關的結論，即抽運能量愈大，脈寬越窄;腔長越長，脈寬則愈寬。分享友人