1) two-wave coupling
两波耦合
1.
8nm laser beam in the Cr:KNSBN crystal,the transmitted intensity of pump beam and signal beam as a function of time in the two-wave coupling process were experimentally investigated,and the transmitted intensity of pump beam as a function of time was also investigated when the signal beam was shutted.
8nm激光为写入光,在非同时读出条件下,实验研究了e偏振光写入Cr:KNSBN晶体两波耦合过程中信号光和泵浦光的透射光强随时间的变化,以及单束泵浦光的透射光强随时间的变化,实验结果表明,泵浦光损失的能量几乎全部转移到了信号光方向,基本不存在散射光;并以二值化图像作为物在晶体内进行了图像存储实验,其再现图像清晰,信噪比高,没有观察到扇形光的影响。
2.
While the writing beam was extraordinary polarization and ordinary polarization respectively,we experimentally studied the response time of two-wave coupling in Ce:KNSBN crystal with respect to the experimental parameters such as the total incident intensity,the intensity ratio of two writing beams,and the angle between two writing beams.
在写入光分别为e光和o光时 ,实验测量了Ce :KNSBN晶体两波耦合响应时间与总写入光强、写入光强比和写入光夹角的关系 ,实验数据与理论拟合结果相吻合 ,并由晶体响应时间特性获得了晶体有效电光系数和有效光折变电荷密度参数。
3.
The dynamical process of two-wave coupling in photorefractive LiNbO3: Fe crystal while the signal beam and the pump beam are non-simultaneously opened,and the signal gain as a function of the opening time are studied experimentally.
采用非同时打开的信号光和抽运光在光折变材料LiNbO3:Fe晶体中进行耦合,研究两波耦合增益随时间变化的规律。
2) two waves coupling
两波耦合
1.
The influence of the modulation frequency on gain(G) of two waves coupling in Ce:KNSBN crystal is studied.
采用非同时读出条件下晶体两波耦合实验装置,在入射光调制下,研究了调制频率对Ce:KNSBN晶体两波耦合有效增益(G)的影响,结果显示G随调制频率的增大先增大后减小,但入射光波长不同时,G最大值对应的调制频率不同,入射光波长为632。
2.
The beam fanning in Ce:KNSBN crystal versus the incident light parameter was studied by a synchronous data recording system, and two waves coupling and image storage in Ce:KNSBN crystal were investigated with the 532nm or 632.
8nm激光为光源,采用非同时读出条件下的两波耦合实验装置,利用实时数据采集系统,记录了Ce:KNSBN晶体中光扇效应随写入光参量的变化情况,研究了泵浦光调制下的晶体两波耦合及图像存储。
3.
Effect of pump beam polarization on two waves coupling gain was researched by using a non-synchronously-numerating experimental system,and the incident beam wavelength is 532 nm which originates from single frequency solid leaser.
采用非同时读出条件下晶体两波耦合实验装置,以532 nm单频固体激光器为光源,研究了抽运光偏振态对Ce∶KNSBN晶体两波耦合有效增益的影响。
3) two wave mixing
两波耦合
1.
The effect of parameters on the two wave mixing was analyzed theoretically.
用一种模型对两波耦合进行了分析，导出了强度和相位的解析式。
4) two-wave mixing
两波耦合
1.
Effect of incoherent beam on photorefractive two-wave mixing in Ce∶KNSBN crystal;
非相干光对Ce∶KNSBN晶体两波耦合的影响研究
5) Twowave coupling
两波耦合
1.
Experimental results of anistropic twowave coupling generated by tansverse photovotaic effect in a LiNbO3:Fe crystal are reported.
从实验上较全面地研究了ＬｉＮｂＯ３：Ｆｅ的横向光生伏打效应引起的各向异性两波耦合，得到衍射效率随调制度和光强变化的规律，并观察了两波耦合的能量转移特性，实验结果与理论分析符合得很好。
6) high speed amplitude modulated beams
光折变两波耦合
1.
The photorefractive two wave mixing (TWM) of high speed amplitude modulated beams is studied theoretically.
对高速调幅光束的光折变两波耦合进行了理论研究，给出了复耦合系数为任意值时两波耦合方程的解析解，讨论了耦合系数对高速调幅光束的光折变两波耦合的影响。
补充资料：耦合波理论
见耦合模理论。
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