waveguide length 中文意思是什麼
waveguide length
解釋
波導長度-
It is shown that the coupling length for such a waveguide system can be shortened significantly by putting a lhm layer since the lhm can amplify evanescent waves
理論分析表明，由於負折射介質能放大倏失波，它可以有效地增強二波導間的藕合作用。 -
In this paper, some investigation and design as following. have been carried out on er - yb codoped phosphate glass waveguide laser first, three primary performance parameters of er - yb waveguide laser pump threshold power ; output power and slope efficiency have been commulated and analysed theoretically based on er ~ ( 3 + ) - yb ~ ( 3 + ) energy configuration ; rate equation of stable state and transmitting equation. the influences of er - yb ions concentration ; enabled waveguide length ; light dot radius of signal light and pump light ; reflectivity of output lens on three above parameters have been researched
首先，從er ~ （ 3 + ） - yb ~ （ 3 + ）能級結構出發，結合激光穩態速率方程與傳輸方程，對鉺鐿波導激光器的三個主要性能參數:閾值功率、輸出功率、斜率效率作了理論計算分析，並研究了鉺、鐿離子濃度、光波導激活長度、信號光與泵浦光光斑半徑比例、輸出耦合鏡反射率對這三個關鍵性能參數的影響。 -
The gain characteristics of edwa have been investigated by solving numerically propagation equations and rate equations at pump wavelength 980nm. the gain characteristics are functions of waveguide length, erbium concentration and pump light power, so the relations between them are analyzed in detail in this paper. the size of edwa is also discussed here, which has some reference value for the following study and the design of waveguide amplifier
通過解析速率方程和傳輸方程，在波長為980nm泵浦光作為泵浦源的條件下，對摻鉺光波導放大器的增益特性進行了分析，由於波導放大器的增益是波導長度、摻鉺濃度和泵浦功率的函數，因此本論文對三者與信號增益的關系分別進行了討論。 -
As far as input coupling devices concerned, we design a feasible taper coupler by means of the theory of waveguide coupling and outside cavity waveguide laser and make decision of the sizes of the lens and the taper coupler, and the relative distance of them. the focus of the lens is 65mm and the radius is 5mm. the length of the taper coupler is 15mm, and the radiuses of the input and output ends separately are 17mm and 0. 65mm
在輸入耦合器方面，藉助于波導耦合和外腔式波導激光器的相關理論，設計了工藝上可行的錐型耦合器，確定了透鏡、耦合器的尺寸以及耦合器與透鏡的相對位置：耦合透鏡的焦距為65mm ，直徑為srnm ，耦合器的長度為15mm ，輸入端直徑為17mm ，輸出端直徑為0
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