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Grating lens and focusing grating coupler 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-005/18
출원번호 US-0491095 (1990-03-09)
우선권정보 JP-0065277 (1989-03-16); JP-0044525 (1990-02-27)
발명자 / 주소
  • Aoyama Shigeru (Takatsuki JPX) Tada Masami (Takatsuki JPX) Hosokawa Hayami (Yawata JPX) Horie Noriyoshi (Moriyama JPX) Yamashita Tukasa (Nara JPX)
출원인 / 주소
  • Omron Corporation (Kyoto JPX 03)
인용정보 피인용 횟수 : 85  인용 특허 : 0

초록 ▼

A grating lens is disclosed in which diffraction efficiency varies in the focusing direction of light on a surface of the lens. Also disclosed is a focusing grating coupler in which the diffraction efficiency of a grating formed on an optical waveguide, which is formed on a substrate, varies in the

대표청구항 ▼

A diffraction grating lens comprising a body having a surface on which a plurality of grating elements are formed, each grating element comprising one period along a width direction of a ridge and a groove, said grating lens having variable period sizes, and said plurality of grating elements varyin

이 특허를 인용한 특허 (85)

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