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1.3 PHYSICAL SCIENCES, Optics, Polymer science
Holographic recording is an effective approach for photopolymer surface patterning. It has been previously utilised in acrylamide-based photopolymers and a spatial frequency limit of 200 l/mm has been observed. We report the successful inscription of submicrometer resolution patterns. The spatial frequency response has been extended to 1550 l/mm by introduction of thermal post recording treatment. Initial results from the optical patterning utilising a spatial light modulation (SLM) reveal that the amplitude of the photoinduced surface relief structures is larger in comparison to the amplitude obtained by holographic recording.
Trainer, K., Wearen, K.J. & Nazarova, D. (2009). Optical patterning of photopolymerisable materials. Conference proceedings of the International commission for Optics Topical meeting on Emerging trends and novel materials in photonics, vol. 1288, pg.184-187. doi:10.1063/1.3521355