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Diffractive optical device including grating elements with different grating periods and duty ratios 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G02B-005/18
  • G02B-027/44
출원번호 US-0627442 (1996-04-04)
우선권정보 JP-0259640 (1993-10-18)
발명자 / 주소
  • Shiono Teruhiro,JPX
  • Ogawa Hisahito,JPX
출원인 / 주소
  • Matsushita Electric Industrial Co., Ltd., JPX
대리인 / 주소
    Ratner & Prestia
인용정보 피인용 횟수 : 70  인용 특허 : 0

초록 ▼

A diffractive optical device includes a substrate for allowing transmission therethrough of light to be diffracted; and a grating section located on the substrate and including a plurality of grating elements each having multiple discrete phase levels. The plurality of grating elements are arranged

대표청구항 ▼

[ What is claimed is:] [1.] A diffractive optical device, comprising:a substrate for allowing transmission therethrough of light to be diffracted; anda grating section located on the substrate and including a plurality of grating elements arranged in a disposition plane in a continuous grating patte

이 특허를 인용한 특허 (70)

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