cutoff wavelength 中文意思是什麼
cutoff wavelength
解釋
波長極限- cutoff : 1. 〈美國〉近路，捷徑。2. 【機械工程】停車（裝置）；【火箭】切斷，停止工作。3. 〈美國〉運河。
- wavelength : 【無線電】波長。
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The text computes the eigenvalue of double ridged waveguide, single ridged waveguide and unsymmetry ridged waveguide, transmission of three kinds of ridged waveguides with ridge on the narrow wall are solved for and the useful curves on cutoff wavelength, bandwidth and field pattern are presented
編程計算了雙脊、單脊和不對稱脊波導的特徵值，求解了三種脊位於窄邊的脊波導的傳輸特性，並給出了截止波長和單模帶寬曲線以及場結構變化。 -
This paper describes the application of finite element method for obtaining the cutoff wavelength, field pattern and bandwidth in ridged waveguide of ridge on the short side, gives the specific equation of related parameter to the subject
摘要提出用有限元方法分析位於窄邊的脊波導主模的截止波長和場結構圖以及單模帶寬特性，推導出用有限元法計算相關參數的計算公式。 -
Measuring cutoff wavelength of uncabled single - mode fiber by transmitted power
用傳輸功率測量未敷設的單模光纖電纜的截止波長 -
The detector was characterized to have a cutoff wavelength at 340 nm and the photo - responsivity measurements on the pixels result a uv response as high as 0. 15 a / w, corresponding to an external quantum efficiency of 54. 8 % in the visible - blind spectral ranging from 400 down to 250 nm
該肖特基光電二極體陣列的光譜響應截止邊為340nm 。在400nm至250nm的紫外光盲區域，光電響應測試顯示該器件在截止邊波長處具有0 . 15a / w的高響應度，相對應的外量子效率為54 . 8 。 -
Details of dcfs with the rip is analyzed, including the relation of dispersion and wavelength, variation of dispersion in the c - band, cutoff wavelength of the basic mode, distribution of scalar field and power, macro - bending loss at 1550nm. based on the optimized rip, impaction of radius of core and width of depressed cladding is studied. at the s ame time, a wavelength devision multiplexing system is designed
接著對這種結構的光纖作了分析，包括它的色散與波長之間的關系，色散在c - band的變動范圍，標量場的分佈，基模在光纖中的功率分佈，在1550處的宏彎損耗等。
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