fanning beam 中文意思是什麼
fanning beam
解釋
扇形掃探波束-
Secondly, a new method was proposed to obtain two important coefficients of the ce : knsbn crystal, rreff and neff, by fitting the variation of response time as a function of 2. thirdly, the temporal behavior of the pump beam, signal beam and fanning and the influence of fanning to twm were carefully studied and analyzed under different incident conditions in twm
在不同寫入光強比和寫入總光強下，獲得了ce ： knsbn晶體兩波耦合過程中信號光及泵浦光的時間演化曲線，分析了光扇的時間演化和光扇效應對兩波耦合動態過程的影響。 -
Fourthly, the incident intensity threshold of the fanning effect in twm was measured in the ce : knsbn crystal, and it is about 20mw / cm, while using 632. 8nm red light with e polarization as writing beam
實驗發現在e偏振光寫入情況下， ce ： knsbn晶體中光扇存在寫入光強度閾值特性，當寫入光強大於20mw cm ~ 2時光扇效應明顯增強。
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