3) photo induced birefringence
光致双折射效应
4) photoinduced birefringence
光致双折射
1.
The characteristics of photoinduced birefringence in the sample were researched by varying the power of the exciting beam,and it is concluded that the azobenzene doped polymer has an excellent effect of photoinduced birefringence and a good .
8 nm,CW)作为探测光,实验研究了乙基橙聚合物的光致双折射特性,其结论是乙基橙聚合物薄膜样品在较低的激发光功率下具有较大的光致双折射效应和快速的时间响应特性。
2.
The photoinduced birefringence effect of these three kinds of samples were studied by using a linearly polarized control beam from an Ar~+ laser(514 nm) and a linearly polarized probe beam from a He-Ne l.
8 nm)作为信号光考察了具有相同厚度的三种样品在相同控制光功率(15 mW)下的光致双折射效应。
3.
The characterization of photoinduced birefringence in a new kind of the azobenzerie doped polymer film was studied by varying the intensity of the exciting beam and the angle 9 between the direction of polarization of exciting beam and probe beam.
通过改变激励光光强以及激励光偏振方向与探测光偏振方向的夹角θ,研究一种新的掺杂偶氮苯聚合物薄膜光致双折射的特性。
5) photo-induced birefringence
光致双折射
1.
Effect of polarization of pumping beams on the photo-induced birefringence of SO-doped PMMA films;
泵浦光偏振态的改变对SO/PMMA薄膜光致双折射的影响
2.
When the sample was pumped by the beam of 532 nm, almost half of the BA1 molecules undergo a reversible trans-trans to cis-cis isomerization in the polymer matrix, resulting in photo-induced birefringence.
当样品被波长为532nm的光激发时,几乎大部分BA1分子从反-反态转化到顺-顺态,产生了光致双折射。
3.
The polymer film possesses large magnitude of photo-induced birefringence (δn=1.
实验结果表明 ,样品具有极大的光致双折射 (δn =1。
6) Birefringence
[英][,bairi'frindʒəns] [美][,baɪrɪ'frɪndʒəns]
光致双折射
1.
Properties of Photo-induced Birefringence in Azobenzene Copolymer;
偶氮苯共聚PMMA薄膜的光致双折射特性研究
2.
Preparation of Azophenyl-substituted Pyrazoline Derivatives and Studies on Photoinduced Birefringence of Doped PMMA Films;
当把偶氮生色团引入到聚合物中时 ,在线性偏振光的激发下 ,偶氮生色团能发生“反 -顺 -反”光异构化循环 ,并且偶氮发色团会沿着偏振光偏振方向的法线重新取向 ,从而导致光致双折射现象的发生 [3 ] 。
补充资料:电控双折射效应
分子式:
CAS号:
性质:当一束光斜交于陶瓷极化轴方向传播时会产生双折射,且有效双折射率与陶瓷的剩余极化强度有关,也与外电场强度有关。因此,细晶透明铁电陶瓷的有效双折射率可以通过改变剩余极化强度和外电场强度进行控制,这就称为电控双折射效应。锆钛酸铅镧(PLZT)透明陶瓷具有较显著的电控双折射效应,可以和单晶材料一样用于制作光调制器、光开关、光偏转器、光存贮器、显示器等。
CAS号:
性质:当一束光斜交于陶瓷极化轴方向传播时会产生双折射,且有效双折射率与陶瓷的剩余极化强度有关,也与外电场强度有关。因此,细晶透明铁电陶瓷的有效双折射率可以通过改变剩余极化强度和外电场强度进行控制,这就称为电控双折射效应。锆钛酸铅镧(PLZT)透明陶瓷具有较显著的电控双折射效应,可以和单晶材料一样用于制作光调制器、光开关、光偏转器、光存贮器、显示器等。
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