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Browsing by Subject "Optical storage devices"

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Angular responses of the first and second diffracted orders in transmission diffraction grating recorded on photopolymer material

Neipp, Cristian ; Beléndez, A. ; Gallego, Sergi ; Ortuño, M. ; Pascual, I. ; Sheridan, John T. (Optical Society of America, 2003-08-11)

Some of the theoretical models in the literature describing the mechanism of hologram formation in photopolymer materials predict the existence of higher harmonics in the Fourier expansion of the recorded refractive ...
The approximate model for holographic grating formation in photopolymers

Close, Ciara E. ; Gleeson, M. R. ; Kelly, John V. ; Sheridan, John T. (Optical Society of America, 2006-10-10)

Nonlocal Polymerisation Driven Diffusion model describes grating formation in photopolymer materials and gives valuable insight into the processes taking place during formation. For weak exposures, NPDD reduces to a ...
Holography and photopolymer recording materials

Sheridan, John T. (Optical Society of America, 2010-04-11)

Photopolymers act as drivers and enabler of fabrication technologies for applications including refractive/diffractive optical elements, hybrid 3D optoelectronic circuitry, data storage recoding media and self-trapping. ...
Non-local polymerization driven diffusion based model : general dependence of the polymerization rate to the exposure intensity

Neipp, Cristian ; Beléndez, A. ; Sheridan, John T. ; Kelly, John V. ; O'Neill, Feidhlim T. ; Gallego, Sergi ; Ortuño, M. ; Pascual, I. (Optical Society of America, 2003-08-11)

The nonlocal diffusion model proposed by Sheridan and coworkers has provided a useful interpretation of the nature of grating formation inside photopolymer materials. This model accounts for some important experimental ...
Nonlocal polymerization-driven diffusion-model-based examination of the scaling law for holographic data storage

Sheridan, John T. ; Gleeson, Michael G. ; Kelly, John V. ; O'Neill, Feidhlim T. (Optical Society of America, 2005-02-01)

For the first time to our knowledge, a detailed theoretical basis is provided for the well-known inverse-square scaling law of holographic diffraction, which states that replay diffraction efficiency η=Γ/M2, where M is the ...