Hologram development by diffusion in a polymer glass

Andrei Veniaminov; Eckhard Bartsch; Irina Semenova; Alexander Popov

doi:10.1117/12.505673

8 December 2003 Hologram development by diffusion in a polymer glass

Andrei Veniaminov, Eckhard Bartsch, Irina Semenova, Alexander Popov

Proceedings Volume 5216, Organic Holographic Materials and Applications; (2003) https://doi.org/10.1117/12.505673
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

Thick rigid polymer media with diffusive development of gratings are suitable for archive information storage, and especially for 3D holographic optical elements. Diffusion of unreacted molecules of photosensitive dye ensures postexposure growth of diffracted light, which can be followed either by secondary growth, or by some decay caused by displacement of chromophore groups photochemically attached to polymer chains (photoproduct). In a long run, extremely slow, though still finite, diffusion of macromolecules leads to destruction of a holographic grating. Not only the rate, but also the shape of postexposure kinetics noticeably depends on the choice of particular polymer, its degree of polymerization, temperature of processing and thermal history of material: in aged samples, gratings appear more efficient.

Citation Download Citation

Andrei Veniaminov, Eckhard Bartsch, Irina Semenova, and Alexander Popov "Hologram development by diffusion in a polymer glass", Proc. SPIE 5216, Organic Holographic Materials and Applications, (8 December 2003); https://doi.org/10.1117/12.505673

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