Title:
SUPER-ZONE HOLOGRAPH MIRROR
Document Type and Number:
Japanese Patent JPH07218709
Kind Code:
A
Abstract:
PURPOSE: To provide a diffraction mirror having a plurality of diffraction zones.
CONSTITUTION: A diffraction mirror 10 has a plurality of diffraction zones and at least one zone has an optical step having a height equal to jλ/2. In addition, at least one of the other zones has an optical step having a height equal to kλ/2. The λ and j and k respectively represent the set wavelength of the mirror 10 and different integers other than zero.
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Inventors:
JIYON ANDORIYUU FUYUUSHII
Application Number:
JP11252892A
Publication Date:
August 18, 1995
Filing Date:
May 01, 1992
Export Citation:
Assignee:
MINNESOTA MINING & MFG
International Classes:
G02B5/18; G02B5/32; G02B5/08; (IPC1-7): G02B5/18; G02B5/08
Attorney, Agent or Firm:
Aoyama Ryo (2 outside people)