Title:
TRANSMISSION TYPE VOLUME HOLOGRAM RECORDING MEDIUM AND MANUFACTURING METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2010/125869
Kind Code:
A1
Abstract:
Provided is a transmission type volume hologram recording medium used in a two-beam hologram recording system, having a high diffraction efficiency and capable of remarkably reducing the intensity of higher order diffracted light, which is a cause of a noise, than first-order diffracted light.
A transmission type volume hologram recording medium has a volume hologram recording medium layer of a volume hologram recording photosensitive composition, which is held between opposed substrates having different materials. Each of the substrates which hold therebetween the volume hologram recording medium has a transparency in a visible light area, and preferably has a thickness in the range of 2 to 2000 μm. Also, a difference in refractive index between the two substrates which hold therebetween the volume hologram recording medium is preferably 0.001 to 0.5. Moreover, preferably, a difference in thickness between the two substrates which hold therebetween the volume hologram recording medium is in the range of 1 to 1500 μm.
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Inventors:
MIZUTA TOMOYA (JP)
MIYAKE HIROTO (JP)
MIYAKE HIROTO (JP)
Application Number:
PCT/JP2010/054665
Publication Date:
November 04, 2010
Filing Date:
March 18, 2010
Export Citation:
Assignee:
DAICEL CHEM (JP)
MIZUTA TOMOYA (JP)
MIYAKE HIROTO (JP)
MIZUTA TOMOYA (JP)
MIYAKE HIROTO (JP)
International Classes:
G03H1/02; G11B7/0065; G11B7/24035; G11B7/24044; G11B7/24047; G11B7/26
Foreign References:
| JP2006293164A | 2006-10-26 | |||
| JP2002244535A | 2002-08-30 | |||
| JPH08160842A | 1996-06-21 |
Attorney, Agent or Firm:
GOTO, YUKIHISA (JP)
Yukihisa Goto (JP)
Yukihisa Goto (JP)
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