Title:
透過型回折光学素子、接合光学素子、眼内レンズ、コンタクトレンズ、及び透過型回折光学素子の製造方法
Document Type and Number:
Japanese Patent JP7408831
Kind Code:
B2
Abstract:
This transmissive diffractive optical element comprises a layer in which a refractive index distribution due to a concentration ratio among at least two materials is formed, wherein the refractive index distribution is a blazed-type distribution from the center of the transmissive diffractive optical element toward the outside.
Inventors:
Koki Nakabayashi
Application Number:
JP2022553509A
Publication Date:
January 05, 2024
Filing Date:
August 03, 2021
Export Citation:
Assignee:
Fujifilm Corporation
International Classes:
G02B5/18; A61F2/16; G02C7/04
Domestic Patent References:
| JP10142411A | ||||
| JP5500123A | ||||
| JP2008523453A |
Attorney, Agent or Firm:
Patent Attorney Corporation Taiyo International Patent Office