| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology for selectively observing circular polarization revolving in a right or left direction when observing an optical functional layer which selectively reflects circular polarization of a specified revolution direction through a shrink film.SOLUTION: In a transparent shrink film 100 covering at least part of an object when the film is made to shrink, a cholesteric liquid crystal layer selectively reflecting circular polarization of a specified revolution direction is disposed on a side of the shrink film 100 which comes into contact with the object. The shrink film 100 has an optical feature of not interrupting a polarization state of a transmitted beam or an optical feature of functioning as a (nλ/2) plate, when the film in a shrunken state covering the object. |
