mode field diameter 中文意思是什麼

mode field diameter 解釋
模場直徑
  • mode : n 1 法，樣，方法，方式。2 模，型；樣式，體裁，款式；習慣。3 風尚；〈the mode〉流行，時髦。4 【語...
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • diameter : n. 1. 直徑。2. （顯微鏡等的）放大倍數。
  1. Using the microwave selective heating property for materials, by setup equivalent equation, and first time inducing the electromagnetic field perturbation theory to the design of heating materials for substrate in mpcvd, three temperature distribution modes were established, including temperature distribution comprehensive mode of inhomogeneous plasma, temperature distribution composite mode of composite substrate materials, temperature distribution perturbation mode of composite materials, which ii provided an whole new technology route to the design of substrate heating system in mpcvd and guided the preparation of heating materials for substrate. and then the heating materials for substrate were designed and optimized to obtain large area homogeneous temperature distribution even larger than substrate holder ' s diameter. as an important part, this thesis researched the nucleation and growth of diamond films in mpcvd, systematically researched the effects of substrate pretreatment, methane concentration, deposition pressure and substrate temperature etc experimental technologic parameters on diamond films " quality on ( 100 ) single crystal silicon substrate in the process of mpcvd, characterized the films qualities in laser raman spectra ( raman ), x - ray diffraction ( xrd ), scanning electron microscopy ( sem ), infrared transmission spectra ( ir ), atomic force microscopy ( afm ), determined the optimum parameters for mpcvd high quality diamond in the mpcvd - 4 mode system

    該系統可通過沉積參數的精確控制，以控制沉積過程，減少金剛石膜生長過程中的缺陷，並採用光纖光譜儀檢測分析等離子體的可見光光譜以監測微波等離體化學氣相沉積過程；利用微波對材料的選擇加熱特性，通過構造等效方程，並首次將電磁場攝動理論引入到mpcvd的基片加熱材料的設計中，建立了非均勻等離子體溫度場綜合模型、復合介質基片材料的復合溫度場模型及復合介質材料溫度場攝動模型，為mpcvd的基片加熱系統設計提供了一條全新的技術路線以指導基片加熱材料的制備，並對基片加熱材料進行了設計和優選，以獲取大面積均勻的溫度場區，甚至獲得大於基片臺尺寸的均勻溫度區；作為研究重點之一，開展了微波等離體化學氣相沉積金剛石的成核與生長研究，系統地研究了在（ 100 ）單晶硅基片上mpcvd沉積金剛石膜的實驗過程中，基片預處理、甲烷濃度、沉積氣壓、基體溫度等不同實驗工藝參數對金剛石薄膜質量的影響，分別用raman光譜、 x射線衍射（ xrd ） 、掃描電鏡（ sem ） 、紅外透射光譜（ ir ） 、原子力顯微鏡（ afm ）對薄膜進行了表徵，確立了該系統上mpcvd金剛石膜的最佳的實驗工藝參數。
  2. Abstract : this paper describes a new kind of mode field diameter measuring system of single - mode fiber. it adopts reference measuring method introduced by national standard, the far field, scan method. it has high accuracy of measurement, high speed and strong anti - jamming ability and it is easy to be operated. it can not only be used in laboratory but also in plant environment. and it can substitute the same kind of import products

    文摘:介紹了一種新型的單模光纖模場直徑測試系統，它採用國際推薦的基準測試方法? ?遠場掃描法，具有測量精度高、速度快、抗干擾能力強和操作簡單的特點，既可用於實驗室中，也適合在工廠環境下使用，能夠替代同類進口產品。
  3. Mode field diameter of single - mode optical fiber by knife - edge scanning in the far field

    用遠場刀刃掃描法測定單模光纖模場直徑
  4. Measurement of mode field diameter of single - mode optical fiber

    單模光纖的模場直徑測量
  5. Mode field diameter measurement - variable aperture method in the farfield

    模場直徑測量.遠場可變孔徑法
  6. Optical fibres - measurement methods and test procedures - mode field diameter

    光纖.測量方法和試驗規程.模場直徑
  7. Mode field diameter mf

    模場直徑
  8. Mode field diameter

    模場直徑
  9. Optical fibres - part 1 - 45 : measurement methods and test procedures - mode field diameter

    光纖.第1 - 45部分:測量方法和試驗規程.模場直徑
  10. Optical fibres - part 1 - 45 : measurement methods and test procedures ; mode field diameter

    光學纖維.第1 - 45部分:測量方法和試驗規程.模型場徑
  11. Verification regulation of the characterization systems for the loss and mode field diameter of optical fiber

    光纖損耗和模場直徑測量儀檢定規程
  12. Optical fibres - part 1 - 45 : measurement methods and test procedures - mode field diameter iec 60793 - 1 - 45 : 2001 corrigendum 2002, modified ; german version en 60793 - 1 - 45 : 2003

    光纖.第1 - 45部分:測量方法和試驗規程.模場直徑
  13. Coupling efficiency not only affects fiber communication relay distance, but also affects the performance of edfa and semiconductor light amplifier ( sla ). so it is very important to improve coupling efficiency and reduce its cost. according coupling theory, the coupling of laser diode to single mode fiber is to meet the mode field diameter match and the phase match

    它不僅直接影響光纖傳輸的中繼距離，而且對改善ld泵浦摻鉺光纖放大器（ ldp - edfa ） ， ld泵浦固體半導體激光器（ ldp - ssl ） 、半導體光放大（ sla ）等光通信器件及系統的性能上，在提高他們的性價比有著十分重要的意義。
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