专利名称：Decentering optical system and optical
system using the same
发明人：Koichi Takahashi申请号：US11210746申请日：20050825
公开号：US20060152821A1公开日：20060713
专利附图：
摘要：A decentering optical system which takes a substantially parallel beam as inputlight, includes a prism having a medium whose refractive index is greater than 1, and fouroptical surfaces disposed at boundary surfaces of the medium so as to be mutually
decentering or to slant. The four optical surfaces form a light-incident surface throughwhich the input light enters, at least two internal-reflective surfaces which reflectinternally the input light entering inside, a splitting surface which splits an optical path ofthe input light reflected by any one of these internal-reflective surfaces, into a
transmission optical path and a reflection optical path; and a transmitting surface whichemits the input light traveling along the reflection optical path towards an exterior. Realimages are formed along each of the transmission optical path and the reflection opticalpath.
申请人：Koichi Takahashi
地址：Tokyo JP
国籍：JP
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