Holographic recording in TiO[sub 2] nanoparticle-dispersed methacrylate photopolymer films

Suzuki, Naoaki; Tomita, Yasuo; Kojima, Takashi
November 2002
Applied Physics Letters;11/25/2002, Vol. 81 Issue 22, p4121
Academic Journal
We demonstrate permanent holographic storage in the green with high diffraction efficiency and recording sensitivity in TiO[SUB2] nanoparticle-dispersed methacrylate photopolymer films. It is shown that the diffraction efficiency as well as the recording sensitivity significantly increase with an increase of nanoparticle concentration. It is also found that volumetric shrinkage during holographic exposure is noticeably suppressed by inclusion of the nanoparticles.


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