beam waveguide 中文意思是什麼

beam waveguide 解釋
波束波導
  • beam : n 1 梁,棟梁,桁條;(船的)橫梁。2 船幅;(動物、人的)體幅。3 (秤)桿,杠桿,(織機的)卷軸,...
  • waveguide : 【電學】波導(管)。
  1. 4. the " hot " dispersion equation of the coaxial ridge - disk - loaded cylindrical waveguide twt with an annular electron beam can be firstly obtained according to self - consistent field theory

    四、引入薄環形電子注,首次建立了脊加載同軸膜片圓波導的注波互作用線性理論,得到小信號條件下的色散方程。
  2. To achieve diffraction - limited beam quality laser, single mode fiber is used as waveguide in both fiber amplifier and fiber laser in the past

    為了實現高光束質量激光輸出,傳統的光纖放大器和光纖激光器均採用芯徑較小的單模光纖作為增益介質波導。
  3. Similarly, a condensate moves along a magnetic matter waveguide as a beam of matter

    同樣地,凝聚態以物質波束的型態能順著磁性物質波導移動。
  4. The finite difference beam propagation method ( fd - bpm ) can simulate the performance of the waveguide accurately. single mode rid waveguide structure parameters are derived by variational - effective index method ; fd - bpm and its transparent boundary condition ( tbc ) are concerned, and then the eim used to transfer a 3d waveguide to 2d waveguide is analyzed ; finally we summarize the characteristic of the y branch

    本文先利用變分有效折射率法推導出滿足單模傳輸的脊形波導結構參數;接著介紹了有限差分束傳播法及求解的透明邊界條件,同時分析了將三維結構轉化為二維結構的有效折射率法,最後對y分支的特性進行了模擬。
  5. By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized

    通過幾何光學法追跡泵浦光線在波導中的傳播,系統地分析了泵浦光束與波導相對位置變化對泵浦耦合效率的影響,進而確定最佳耦合條件。
  6. The transportation of the electron beam in the waveguide guided by low magnetic field is studied and some valuable results are obtained

    對環形電子束在低磁場中的傳輸進行了粒子模擬和理論分析,得出了一些有意義的結論。
  7. In this paper, the foundamental principles of fd _ bpm ( finite - difference beam propagation method ) used to simulate and calculate the process of beam propagation is first introduced. then , the theory of boundary condition is carefully presented. based on those theories mentioned above, a new kind of fd _ bpm arithmetic is brought forward. compared with the traditional arithmetic, this one has much more advantages. in virtue of the new arithmetic, author accomplished the whole simulating designs with two kinds of optical splitter ( stright y - junction optical splitter and sine - type optical splitter ), including propagation field simulating, vital parameter calculating, acquired some optimized waveguide parameters , and finished the template by those results at last

    本文主要藉助這種改進的fd _ bpm演算法,對兩種結構的光分路器(直y型光分路器,上升正弦型光分路器)進行了器件設計的軟體模擬,包括對兩種結構光分路器傳輸場進行模擬,並對兩種結構光分路器的重要參數,如波導寬度,分叉角,縱橫比,損耗進行了模擬計算;得到了一些有價值的優化波導結構參數值,根據這些優化值設計製作了光刻模板。
  8. It is paid attention to that the longitudinal component of electric field of the coaxial tm01 mode can be strong, differing from the tem mode in the conventional coaxial waveguide. so the coaxial tm01 mode can have much strong interaction with the electron beam

    值得注意的是,與普通同軸結構tem波不同,同軸慢波結構tm01模式的縱向電場不為零,這是同軸返波振蕩器中的電子束能夠與它有強相互作用的重要原因。
  9. Second, the mode fields of a strip waveguide and some slab waveguides have been simulated by applying finite - difference time - domain ( fdtd ) method. the curvature radius ; vicinity coupling ; transition loss and power attenuation of a s - shape bend waveguide have been analysed numerically by employing wide angle finite - difference beam propagation method ( fd - bpm ), as well as the coupling loss of optical fiber and waveguide. in addition, the framework of the s - shape waveguide laser has been

    其次,應用時域有限差分法,結合波導模式理論對條形與平面波導進行了模場模擬;應用廣角有限差分光束傳播法,對s形彎曲波導的曲率半徑、鄰近耦合、過渡損耗、功率衰減以及波導與光纖的各種耦合損耗進行了數值分析,並在此基礎上,對s形波導激光器的結構作了初步設計。
  10. The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction

    輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在陣列波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。
  11. Abstract : a general bpm simulator for optical waveguides is presented in this paper. this system includes three tools : the effective refractive index calculation tool, the waveguide mode solution tool, and the beam propagation method simulation tool. this system is very useful for the optimal design of the linear optical waveguide devices

    文摘:介紹了一個光波導器件計算機輔助分析系統,該系統集成了3個實用工具:光波導有效折射率計算工具,光波導模式求解工具和三維復折射率全矢量有限差分束傳播法模擬工具.本系統用於線性波導器件,模擬光在波導中的傳播過程,從而可以優化設計波導器件,探索新結構器件
  12. The linear theory of the coaxial disk - loaded cylindrical waveguide twt is built and the dispersion equation with an annular electron beam of this twt is obtained according to self - consistent field theory and the field matching method. the computation results of the hot dispersion equation indicate the relations between the electron beam parameters and the small signal gain

    利用自洽場理論以及場的匹配方法,推導出此結構在小信號條件下的熱色散方程,討論了電子注參量和慢波系統幾何參量與小信號增益和色散的關系。
  13. By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters

    通過數值計算,獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上,建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論,並編製程序,計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系,獲得了增加帶寬或增益的途徑。
  14. The beam quality factor m2 is now widely used to characterize the quality of laser radiation. the comprehensive analysis and accurate calculations for the beam quality factors of the semiconductor lasers with different waveguide structures are provided based on the non - paraxial second - moment theory

    本文基於非傍軸二階矩理論,全面的分析了半導體激光光束的光束質量因子m ~ 2 ,並計算了不同波導結構的半導體激光光束的質量因子,給出其精確的解析表達式。
  15. The paper is concerned with the eigen functions of optical fields in dielectrics, the theories of optical waveguide eigen mode, the characteristics of optical waveguides diffracted field, the theories of mode coupling in optical waveguides and the spectral response theories and simulating method for arrayed waveguide grating. in this paper, a set of beam propagation theory based on eigen modes analysis is set up which afforded theoretical basis for designing and analyzing awg devices. experiment of fabricating sio _ ( 2 ) layer by using porus silicon is also carried out in this paper, which is a new method for fabricating waveguide cladding layer

    本文以設計陣列波導光柵器件為目標,對介質波導光場的本徵波函數,光波導本徵模理論,光波導衍射場特性,光波導模式耦合理論和awg器件的光譜響應特性及模擬方法進行了深入研究,建立了一套基於本徵模式場分析的光波導光束傳輸理論,為波導器件的設計提供正確的理論基礎,並嘗試了利用多孔硅生長厚的二氧化硅,用於製作波導包層材料。
  16. Starting with analysis on the field of gaussian feed ' s aperture, the relations of radiation characteristic and power capacity and gaussian beam waist radius are investigated particularly by using the circular waveguide intrinsic mode expansion method

    =本文從圓錐高斯饋源口面場分析入手,利用高斯場展開成規則圓波導場的方法,細致的討論了高斯束腰對饋源輻射特性和功率容量的影響。
  17. At the same time, in order to increase the gain of the radiation aperture, a new way to enlarge the waveguide radius is presented. and a gigawatt level of averaged output power with quasi - single tmoi mode is obtained at 3. 9ghz under the diode voltage of 550kv and the beam current of 23ka

    同時,為增大輻射口增益,提出了一種增大波導管半徑的方法,並且在二極體電壓為550kv 、束流為23ka的條件下,模擬獲得了平均功率達gw量級,頻率為3 . 9ghz的準tm _ ( 01 )模式的微波輸出。
  18. The influence of various electron beam parameters on the small signal gain is investigated and discussed by the numerical results. 5. the model of the coaxial disk - loaded cylindrical waveguide is manufactured to testify the dispersion properties of this structure

    五、加工了同軸膜片加載圓波導慢波系統實驗模型,用諧振法測得的色散特性與理論數據良好吻合,從而驗證了同軸膜片加載圓波導慢波系統色散特性理論分析的正確性。
  19. This thesis analyse the linear theory of gyro - twt with spiral corrugated waveguide and two - beam coaxial gyrotron. first of all, base on the theory of coupled - wave, the dispersion equation and coupling condition of spiral corrugated waveguide is realized by applying the method of impedance perturbation

    首先,在耦合波理論基礎上運用阻抗微擾法分析了內開槽螺紋波導的冷腔色散特性,通過數值運算作出了冷腔色散曲線同時用三維粒子模擬軟體進行了相應的冷腔分析。
  20. This work analyses the characteristic of excimer laser at first, then an accurate energy distribution of the laser beam of wavelength 248nm is given out. depends on the theoretic analysis, a hollow waveguide is designed

    本文從分析準分子激光器的光束特點出發,對波長為248nm的準分子激光光束的能量分佈做了精確分析,設計加工了適于本krf準分子激光勻束的光波導。
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