concave diffraction grating 中文意思是什麼
concave diffraction grating
解釋
凹光柵- concave : adj 凹的，凹面的 （opp convex）。n 凹，凹線，凹面（物）。 the （spherical） concave 〈詩〉蒼穹。v...
- diffraction : 分解
- grating : n. 1. 格柵，格子；（船上作地板或透光用的）格子板，格子蓋。2. 【物理學】光柵。adj. 刺耳的，使人煩躁的，討厭的。n. 摩擦，摩擦聲。adv. -ly
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The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵，第一級光譜的色散度為42埃毫米。 -
The hybrid method can simulate accurately both the imaging and polarization - dependent diffraction characteristics of a concave grating. to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air - slots, the three - focal - point method and the analytical method of spatial phase modulation, are introduced to achieve a passband - flattened diffraction grating device
針對實際光通信應用中對通帶帶寬的需求，本文提出了「結合空氣槽的漸變輸出波導結構方法」 、 「三焦點方法」及「顯式公式空間相位調製法」三種使平面集成型衍射光柵波分復用器件獲得平頂型頻譜響應的優化設計方法。
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