Optical phase gratings made from photorefractive polymers
Applied Optics, Vol. 29, Issue 2, pp. 210-215 (1990)
http://dx.doi.org/10.1364/AO.29.000210
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Abstract
Based on a combination of surface structure and refractive index modifications, an optical phase grating was fabricated from a thin film of photoreactive polymers, which had been synthesized from methyl methacrylate and a methacrylic ester including nonconjugate carbon-carbon double bonds, and doped with an aromatic ketone. After exposure to ultraviolet light beams through a photomask with a grating pattern, the exposed portion of the polymer film was up to ~110% thicker and ~3% higher in refractive index than the unexposed portion. Diffraction efficiencies of light beams passing through the optical phase grating varied with its cross-sectional shape.
© 1990 Optical Society of America
Citation
Nobuhiro Kawatsuki and Masao Uetsuki, "Optical phase gratings made from photorefractive polymers," Appl. Opt. 29, 210-215 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-2-210
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