Title:
OPTICAL APPARATUS
Document Type and Number:
Japanese Patent JP2003202515
Kind Code:
A
Abstract:
To compensate the characteristics of an optical element which is provided with a translucent reflection film on one of transparent members and a reflection film on the other, makes a converging flux incident and has periodic characteristics of asymmetric transmission characteristics.
The optical element which is provided with the translucent reflection film on one of the transparent members and the reflection film on the other and makes the converging flux incident is provided with an asymmetric period filter having the asymmetric period characteristics on the input light side of the optical element.
Inventors:
MITAMURA NOBUAKI
IZUMI HIROTOMO
KAWABATA YUICHI
IZUMI HIROTOMO
KAWABATA YUICHI
Application Number:
JP2002002682A
Publication Date:
July 18, 2003
Filing Date:
January 09, 2002
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G02B5/28; G02B6/293; G02B6/34; G02B27/00; (IPC1-7): G02B27/00; G02B5/28; G02B6/293
Attorney, Agent or Firm:
Junichi Yokoyama