非線性光散射 的英文怎麼說

中文拼音 [fēixiànxìngguāngsǎnshè]
非線性光散射 英文
nonlinear light scattering
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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） ...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 非線性 : [數學] [物理學] [電學] nonlinearity; nonlinear
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. The effects of air ' s absorption of heat, scatter, turbulent and thermal blooming on the laser beam transmitting under the air breakdown threshold value are analysed when laser transmit in the air and the result can be used designing of the laser system

    摘要系統分析了激光在大氣中傳輸時在擊穿閾值以內，由於大氣汽溶膠的吸收、散射、大氣湍流、大氣熱暈等線性非線性問題對光束控制系統的影響，為激光系統提供指導。
  2. The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved

    第二部分：在非線性控制邊界條件之下，對于帶耗散項的camassa ? holm方程的初邊值問題，用壓縮映射不動點原理及先驗估計方法，證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。
  3. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用（ wdm ）系統中偏振模色散的影響，主要工作包括下面兩個部分：一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程；在此基礎上，研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性，並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。
  4. From maxwell equations the refractive index equation and hamilton - jacobi equation, which describe the evolution of the electric field, are derived including the effects of the diffraction, the third - order intensity - dependent nonlinearity, plasma defocusing, the focusing and defocusing of the plasma channel, and the relativistic self - focusing

    從maxwell方程出發我們得到了兩個包含衍射、三階強度非線性、等離子體散焦、等離子體隧道聚焦和散焦以及相對論自聚焦等效應在內的激光場演化方程，即折射率方程和哈密頓-雅可比方程。
  5. 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。
  6. Among those nonlinear effects, stimulated brillouin scattering has the worst effects on the fiber hydrophone system due to its low threshold and it produces a new light wave which is different from the incident light in frequency. this dissertation discusses the physical mechanism and quantum explanation of sbs in fiber

    在眾多非線性效應中，由於受激布里淵散射（ stimulatedbrillouinscattering ）效應的閾值最低，且產生了與入射光場不同頻率的新的光場，故對光纖水聽器系統而言，影響最大的即是受激布里淵散射效應。
  7. The appearance position of hot - image satisfied the rule of z2 = z1 - lv, z2 is mean the image distance, z1 is mean the object distance, and lv is mean the distance between the nonlinear medium. the theory is also validated by the optical propagation software. if n = 1, then the nonlinear medium is only one, lv = 0, and it will satisfy the rule z2 = z1

    四、從非線性近軸波動方程基礎上用散射矩陣理論推導了級聯介質的熱像規律，得出級聯介質的熱像位置滿足z2 = z1 - lv ，其中z2為像距， z1為物距， lv為級聯介質間的距離，並用光傳輸軟體得到了驗證;發現級聯的非線性介質可以看成單一的非線性介質相連，散射點對級聯介質的每一段非線性介質成像;當只有一段非線性介質時，可以認為lv為零，滿足z2 = z1 。
  8. 3 ) coupled higher - order nonlinear schr ( ? ) dinger equations ( chnlse ), governing the evolution of two orthogonal polarization components of ultrashort optical pulse in birefringent fiber, are derived from the dispersion relation

    3 ）從色散關系出發，推導了描述超短光脈沖不同偏振分量在雙折射光纖中傳輸特性的耦合高階非線性薛定諤方程（ chnlse ）與用多重尺度法得到的相同。
  9. It is found that the peak power of pump pulse is important and the fourth and fifth dispersions are crucial to flatly wideband sc generation from the fiber. the results show that the higher - order nonlinear effects on sc generation can be ignored

    研究結果表明，泵浦脈沖峰值功率對sc譜的產生有著重要影響，光纖的四階、五階等高階色散的綜合作用對sc譜的形成起決定因素，高階非線性效應（ raman自散射和自變陡效應）的影響可以忽略。
  10. Three shaped profiles ( parabola, linear, and exponential ) have been considered. the exponential dispersion profile fiber loop is optimal for the propagation and compression of picosecond pulse. on the contrary, the parabola dispersion profile fiber loop is optimal for femtosecond pulse due to the high order effects such as the third order dispersion ( tod ), stimulated raman scattering ( srs ) and self steeping ( ss )

    （ 3 ）研究不同色散遞減類型（拋物線遞減、線性遞減、指數遞減）光纖構成的環形腔中傳輸的特性，發現其色散曲線為指數遞減型光纖有利於皮秒光脈沖的傳輸與壓縮；而對于飛秒脈沖，由於三階色散（ tod ） 、脈沖拉曼自散射（ srs ）及自變陡（ ss ）等高階非線性效應的影響，情況恰恰相反；色散曲線為拋物線遞減型的光纖構成的光纖環最有利於脈沖傳輸與壓縮。
  11. The origin of supercontinuum ( sc ) generation in optical fibers has been conjectured to be the interplay between fiber nonlinearities ( self phase modulation, cross phase modulation and raman self scattering ) and group - velocity dispersion ( gvd )

    光纖中超連續supercontinuum （ sc ）譜的產生源於光纖中各種非線性效應（自相位調制效應、交叉相位調制效應，四波混頻效應及受激raman散射等）和群速度色散的共同作用。
  12. The propagating characteristics of femtosecond pulse in this type of nolm are also investigated. the result shows that the optical switching is valid only under certain condition for femtosecond pulse due to the higher - order dispersions and nonlinear effects, especially the stimulated raman scattering ( srs ). moreover, analysis of the higher - order effects shows that srs enhances the pulse compression in some conditions

    研究結果表明，由於受到高階色散及高階非線性效應的影響，特別是在受激拉曼自散射效應的影響下， nolm的開光特性只在一定條件下存在；並且通過對高階效應的分析比較，發現受激拉曼散射在一定條件下增強了飛秒脈沖的壓縮。
  13. The origin of supercontinuum spectrum ( sc ) generation in optical fibers has been shown to be the interplay between fiber nonlinear effects ( such as self phase modulation, cross phase modulation, stimulated raman scattering and stimulated brillouin scattering etc ) and group - velocity dispersion ( gvd )

    光纖中超連續譜supercontinuumspectrum （ sc ）的產生源於光纖中各種非線性效應（如自相位調制效應、交叉相位調制效應，四波混頻效應、受激raman散射與受激brillouin散射等）和群速度色散共同作用。
  14. 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 ）利用單模光纖的非線性效應背向受激布里淵散射（ bsbs ）和光纖光柵的選頻特性，採用980nm半導體激光器連續泵浦方式，在線性腔摻鉺光纖激光器中實現了自調q運轉，獲得脈沖寬度（ fwhm ）約為2 . 2ns ，重復頻率為64 . 5mhz的穩定的光脈沖輸出。
  15. The thesis analyzed the effects, associated with the propagation of laser in plasma channel, such as diffraction, plasma defocusing, the third - order intensity - dependent nonlinearity, the relativistic self - focusing, the focusing and defocusing of the plasma channel, and the absorbtion in the collision plasma and the finite pulse length effect

    文中用哈密頓-雅可比方程方法和源展開方法分別對激光在等離子體隧道中傳輸所涉及的衍射效應、等離子體散焦效應、三階強度非線性、相對論自聚焦、等離子體隧道的聚焦和散焦效應、碰撞等離子體中的吸收效應、有限脈寬效應等等做了基本的闡述。
  16. We introduce a model of random birefringent single mode fibers, and the general nonlinear propagation equations of dual - lightwaves in random birefringent fibers are deduced. the characteristics of polarization mode dispersion in 2 + 10gb / swdm system is studied. it is found that pmd in wdm system can be effectively suppressed by the synchronous modulation technique

    我們引入了隨機擾動雙折射單模光纖模型，導出了雙波長的光波在隨機雙折射光纖中的非線性脈沖傳輸方程；在此基礎上，研究了偏振模色散對2 10gb swdm系統中脈沖序列傳輸的影響，並採用同步幅度調制控制技術有效地降低了偏振模色散的影響。
  17. The results show that linear spatial chirp upsets the balance between diffraction and nonlinearity, leading to radiation and thus destroying the condition for the formation of soliton, although it doesn ’ t affect the central

    結果表明:線性空間啁啾雖然對光束傳輸的中心位置沒有任何影響，但它打破了衍射與非線性效應的平衡，導致光束發散，從而破壞了孤子形成的條件。
  18. Note that all these structures are numerically simulated firstly and then verified by the experiments. fourthly, in accordance with the need of gain control in a wavelength division multiplexed system, a gain - clamped l - band edfa using a single fiber bragg grating ( fbg ) is proposed. based on the giles model with ase, numerical simulation for the all - optical gain - clamped edfa is carried out

    最後給出一組使edfa在箱制增益的同時可以保持增益譜平坦的最佳結構和放大器參量;最後，初步介紹了光纖的非線性效應的產生機理及其對光通信系統的影響;實驗研究了應用edfa測t布里淵散射闡值的實驗裝置與方法。
  19. The paper primarily researches a kind of nonlinearity of fiber - the effect of srs ( stimulated raman scattering ) to wdm ( wavelength division multiplexing ) system and the gain and noise properties of fiber raman amplification exploited with srs

    本文主要研究了光纖中的一種非線性效應?受激喇曼散射對數字波分復用傳輸系統性能的影響，以及利用它所開發的光纖喇曼放大器的增益和噪聲特性。
  20. By solving the equation numerically, the effects of diffusion on the property of the self - deflection of the photorefractive solitons are studied. the results show that the spatial shifts of bright screening solitons and sp solitons depend directly on the voltage factor. for dark solitons, the stronger the input intensity is, the larger the bending - angle is, whereas bright solitons depend on the input intensity nonlinearly

    在考慮一階擴散效應后，通過數值計算分析和比較了三種光折變空間孤子的自偏轉特性，得出屏蔽和屏蔽光伏明孤子的偏轉量與分壓系數成近似線性關系，與入射光強成非線性關系，而暗孤子偏轉量隨入射光強的增加而增加。
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