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- Even if the intensity of pump beam is weak, the SRS effect is maybe still take place. 即使泵浦功率比较弱,SRS的影响也可能会存在。
- Influence of parameters such as pump beam intensity and wave mixing angle on the compressed pulsewidth of signal beam was discussed. 计算了泵浦能量密度,泵浦光与信号光夹角等与脉宽压缩量的关系。
- The relationship of cut-angle and the degree between pump beam and signal beam in BBO crystal pumped by 425nm pulse is theoretically calculated. 计算了BBO晶体中下转换光的分离角与晶体切割角的关系曲线。
- By tilting a pump beam quickly, a fast tuning optical parametric oscillator (OPO) was realized. The widely tunable spectral range of the OPO has been obtained by a piece of type I BBO crystal. 介绍了一种新的光波长快速调谐光参量振荡器，通过快速改变泵浦光与光参量振荡器中非线性光学晶体的夹角，实现光参量振荡器的波长精确和快速调谐，并用类BBO晶体完成了宽调谐演示实验。
- By tilting a pump beam quickly, a fast tuning optical parametric oscillator (OPO) was realized.The widely tunable spectral range of the OPO has been obtained by a piece of type I BBO crystal. 介绍了一种新的光波长快速调谐光参量振荡器，通过快速改变泵浦光与光参量振荡器中非线性光学晶体的夹角，实现光参量振荡器的波长精确和快速调谐，并用类BBO晶体完成了宽调谐演示实验。
- Transient two-wave coupling gain versus delay time between the pump beam and the probe beam in GaAs has been measured, and the properties of various processes in two-wave coupling are analyzed. 测量了瞬态二波耦合增益随泵浦光与探测光相对延迟改变而变化的曲线,并分析了瞬态二波耦合中各种过程的特性。
- The analyzed results show that an angular pump beam is more efficient than collinear propogation for the pump intensity-averaging and the pump energy extracting by a short pulse seed beam. 与同轴泵浦相比斜入射泵浦更有利于实现泵浦光的光强平均和短脉宽种子光对泵浦光的能量提取。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- By the ray tracing in the channel waveguide, the dependency of the launching efficiency on the relative position of the pumping beam to the waveguide is analyzed and the coupling conditions are optimized. 通过几何光学法追迹泵浦光线在波导中的传播，系统地分析了泵浦光束与波导相对位置变化对泵浦耦合效率的影响，进而确定最佳耦合条件。
- When a Brillouin shifted signal interacts with two strong counterpropagating pump beams in a Brillouin active medium,a conjugate field will grow exponentially in time until it depletes the power of the pump beams . 当一个布里渊频移的信号在布里渊激活介质中与两束相反方向传播的强泵浦光相互作用时 ,将产生一个随时间指数增长的共轭场 ,直到它抽空泵浦场 ,并且由此产生很高的反射率 (大于 1 0 6)。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- In addition, the component of the EPW electric field due to the nonuninformity of pump beams has been obtained and its influence on particle acceleration in PBWA has been briefly discussed. 此外,本文还得到了由泵浦光束的非均匀性所产生的EPW电场的径向分量,并简要地讨论了它对PBWA中粒子加速的影响。
- He struck the beam with his head. 他的头撞到梁上了。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- A tyre expands when you pump air into it. 轮胎一打气就鼓起来。
- Never heard of her. You're off the beam. 我从来没有听说过这个人，你搞错了吧。
- Lashing velocity of pump is concerned with nature of air. 泵的抽气速率与气体的性质有关。
- Mind you don't knock your head (on this low beam). 小心，别(让这根低梁)撞著头。
- This tire is flat; you didn't pump enough air in. 这个轮胎没气了;你并没打足气。
