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Latent-imaging photopolymer systems
Applied Optics, 1978A new high-resolution latent-imaging photopolymer system is reported for recording thick refractive-index patterns such as volume phase holograms and grating devices. A photosensitive polymerization initiator is chemisorbed on the surfaces of a porous glass matrix (average pore diameter 4 nm).
E A, Chandross +2 more
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Photopolymers for rapid prototyping
Journal of Coatings Technology and Research, 2007Rapid prototyping by means of stereolithography using different types of photopolymers has gained increasing interest because cellular structures can be built at a high resolution with sub-μm feature sizes. Structures made with digital light processing and microstereolithography and rapid prototyping based on two-photon absorption photopolymerization ...
R. Liska +11 more
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Photopolymer Material for Holography
Applied Optics, 1972An experimental Du Pont holographic photopolymer material produces an index modulation in excess of 10(-2) utilizing a diffusion mechanism. Optimum exposure in air is typically 30 mJ/cm(2) , in nitrogen 3 mJ/cm(2). Composition, beam ratio, and exposure power all affect the index modulation.
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Optics & Laser Technology, 1972
Photopolymers for application in holography have the advantage over silver halide emulsions that a phase hologram is formed in situ during exposure. The article describes the results of tests concerning the resolving power and photosensitivity of a combination of the monomers acryl amide and methylene-bis-acryl amide. This combination forms a copolymer
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Photopolymers for application in holography have the advantage over silver halide emulsions that a phase hologram is formed in situ during exposure. The article describes the results of tests concerning the resolving power and photosensitivity of a combination of the monomers acryl amide and methylene-bis-acryl amide. This combination forms a copolymer
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Photopolymer Materials for Holography
Holography, 1996Interest in holograms as diffractive optical elements began with the early recognition of the correspondence of transmission holograms and Fresnel zone plates.1,2 Optical designs based on holographically-generated optical elements (HOEs) and the extension of computer-based design programs to holographic gratings appeared in the late 1960s.3,4,5 Use of ...
Kirk W. Steijn +2 more
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Holographic analysis of photopolymers
SPIE Proceedings, 2017Two-beam holographic exposure and subsequent monitoring of the time-dependent first-order Bragg diffraction is a common method for investigating the refractive index response of holographic photopolymers for a range of input writing conditions. The experimental set up is straightforward, and Kogelnik’s well-known coupled wave theory (CWT)[1] can be ...
Amy C. Sullivan +3 more
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Holographic Recording with Photopolymers*
Journal of the Optical Society of America, 1970Phase holograms have been recorded using several photopolymers. These photopolymer recording systems are self-developing and require only uv-light fixing. Sensitivities as high as 0.6 mJ/cm2 have been achieved with He–Ne–laser light. Reconstructions from 3000-line/mm gratings recorded on these materials have been achieved; however, the signal-to-noise ...
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The Nanostructure of C60 Photopolymers
2002The nanostructure of C60 photopolymers has been investigated using in situ Fourier-Transform Infrared spectroscopy (FTIR), X-ray Photoelectron Spectroscopy (XPS), and Scanning Tunneling Microscopy (STM). FTIR and XPS studies revealed that the C60 photopolymer has crosslinking via a [2+2] cycloadditional four-membered ring and forms a 2D rhombohedral ...
Jun Onoe +8 more
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Damping and cushioning characteristics of Polyjet 3D printed photopolymer with Kelvin model
Journal of Cellular Plastics, 2021Changfeng Ge, Denis Cormier
exaly