Optical: systems and elements – Holographic system or element – Having particular recording medium
Patent
1989-07-06
1993-07-27
Arnold, Bruce Y.
Optical: systems and elements
Holographic system or element
Having particular recording medium
359 1, 430 1, 430 2, G03H 104
Patent
active
052315207
ABSTRACT:
A volume phase type hologram has a diffraction lattice recorded in a poly(N-vinyl carbazole) polymer layer where the diffraction lattice is recorded throughout the thickness direction of the polymer layer. A method for preparing the volume phase type hologram has the steps of exposing a photosensitive polymer layer provided on a substrate to an interference pattern; subjecting the polymer layer having been exposed to a first development treatment with a first organic solvent; and peeling the polymer layer off the substrate and subjecting the polymer to a second development treatment with a second organic solvent preferentially from the face that had been in contact with the substrate.
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Kushibiki Nobuo
Kuwayama Tetsuro
Taniguchi Naosato
Yoshinaga Yoko
Arnold Bruce Y.
Canon Kabushiki Kaisha
Parsons David R.
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