The obtained polarization gratings are very useful for highly functionalized optical devices because they can control both the beam propagation direction and polarization state.
记录得到的偏振光栅可以控制光束的传播方向和偏振态，在功能性光学器件中有很大应用价值。
2
The obtained polarization gratings are very useful in fabricating highly functionalized optical devices because they can control both the beam propagation direction and polarization state.