According to the refractive index ellipsoid of uniaxial crystal, the relationship between diffraction efficiency of volume grating and polarization state of readout beam is theoretically analyzed.
根据单轴晶体的折射率椭球，从理论上分析了光折变体光栅的衍射效率与读出光偏振态的关系。
2
The results show that the polarization and piezoelectric properties of 0-3 composites can effectively increase with an appropriate volume fraction of PANI.
结果表明：适量PANI能够有效地提高0 - 3型复合材料的极化和压电性能。
3
Diffraction efficiency of volume Bragg grating, whose period is in the same order as the incident wavelength, is related to the polarization direction of the incident linear polarized beam.