1) light threshold
光阈
2) laser threshold
激光阈值
1.
The optimum match concentration for Yb 3+ ,Na+:CaF_2 with low laser threshold was obtained.
基于975nm激发的室温下荧光光谱测量,系统地研究了在新型钠、镱共掺的氟化钙晶体中钠离子的作用机理,分析了掺钠离子浓度与激光阈值的关系,获得了具有最低激光阈值的掺杂浓度优化配比。
2.
The analytical formulas of laser threshold of the quasi-four-energy-level system for (Tm3+ ,Tb3+ ) :LiYF4 are deduced from rate-equation of transition.
由速率方程推出了双掺(Tm~(3+),Tb~(3+))离子准四能级系统的激光阈值解析式,讨论了Tm~(3+)和Tb~(3+)离子之间的相互作用。
3) laser damage threshold
光伤阈值
1.
But the low laser damage threshold of KDP crystal greatly limits its application in all fields.
另外从晶体生长过程及后处理两个方面初步讨论了提高光伤阈值和光学均匀性的途径。
4) lasing threshold
激光阈值
5) threshold intensity
阈值光强
1.
The threshold intensity formula was deduced in the limit of small absorption,which describes the relative size of two photon absorption and free carrier absorption.
研究非共振条件下光脉冲在半导体中传输引起的非线性吸收动力学过程，在薄样品近似下推导了描述双光子吸收及其诱导自由载流子吸收相对强弱的阈值光强公式。
6) Optical threshold function
光阈值门
补充资料：表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条