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jiayou201101金蟲 (著名寫手)
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[求助]
請幫忙翻譯兩句話(漢譯英) 謝謝
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| 這個橢圓的長短軸總在x,y方向,x,y方向恰好是1/4波片的快慢軸方向,因此,從1/4波片出射的光為線偏振光,其偏振方向與y軸夾角為。因此要把檢偏鏡從正交位置轉(zhuǎn)過角就可使輸出極小,這個角稱為消光角,該角可由檢偏器檢測,雙折射梯度ΔR可由下式表達(dá): |
木蟲之王 (文學(xué)泰斗)
| The long-short shaft of the oval is always in the X, Y-directions, and the X, Y direction is exactly 1/4 wave plate of the fast-slow axis direction. Accordingly, the light emitted from the 1/4 wave plate is named as linearly polarized. Its direction of polarization and the y-axis angle is . Therefore, the analyzer from the quadrature position turned away angle allows the output is minimal. This angle named as the extinction angle, can be detected by the analyer, and the birefringence gradient ΔR can be showed as follows: |
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