Abstract
Thermal imprinting of transparent tin phosphate glass was performed at using a fine-patterned silica mold. The glass sample was prepared by a conventional melt-quenching method and polished with a roughness of for imprinting experiments. The imprinting temperature is optimized based on experimental viscosity data. Scanning electron microscope and atomic force microscope observations revealed that a square grid pattern has a surface roughness of and squares with intervals and depth. Diffraction spots due to the micropattern are demonstrated by illuminating He–Ne laser light.
© 2007 Optical Society of America
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