Invention Application
US20120212819A1 DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME
审中-公开
使用差分光学元件和成像装置
- Patent Title: DIFFRACTIVE OPTICAL ELEMENT AND IMAGING APPARATUS USING THE SAME
- Patent Title (中): 使用差分光学元件和成像装置
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Application No.: US13400806Application Date: 2012-02-21
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Publication No.: US20120212819A1Publication Date: 2012-08-23
- Inventor: Toshiaki TAKANO , Yoshiyuki SHIMIZU , Tetsuya SUZUKI , Koji FUJII
- Applicant: Toshiaki TAKANO , Yoshiyuki SHIMIZU , Tetsuya SUZUKI , Koji FUJII
- Applicant Address: JP Osaka
- Assignee: PANASONIC CORPORATION
- Current Assignee: PANASONIC CORPORATION
- Current Assignee Address: JP Osaka
- Priority: JP2011-036761 20110223; JP2012-005378 20120113
- Main IPC: G02B27/42
- IPC: G02B27/42
Abstract:
A diffractive optical element includes a diffractive surface. Raised portions and recessed portions are alternately arranged on the diffractive surface. A shape of the valley bottoms of the recessed portions varies according to regions of the diffractive surface.
Information query
