| 摘要 |
<p>An optical element having high light utilization efficiency, wherein fractures of an optical path difference providing structure or antireflective film can be suppressed. The optical element is characterized by being composed of a thermoplastic resin, by being provided with an optical path difference providing structure on at least one optical surface, and by having a fluorine-containing layer formed by a fluorinating process, wherein a hydrogen atom is substituted by a fluorine atom in a fluorine gas atmosphere, on the optical surface.</p> |
