| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical element which can modulate a uniform phase difference with a simple configuration.SOLUTION: An optical element 100 includes a pair of substrates 103, a deformation material 105 provided between the pair of substrates 103 and arbitrarily changing a distance between the pair of substrates 103, and an optical area 104 surrounded by the pair of substrates 103 and the deformation material 105 and filled with liquid crystal 112. |
