Fabrication of one-dimensional SWS on bismuth borate glass by glass-imprinting method

N. Yamashita; T. Suetsugu; N. Kitamura; K. Fukumi; J. Nishii

doi:10.1117/12.841441

25 February 2010 Fabrication of one-dimensional SWS on bismuth borate glass by glass-imprinting method

N. Yamashita, T. Suetsugu, N. Kitamura, K. Fukumi, J. Nishii

Proceedings Volume 7598, Optical Components and Materials VII; 75981S (2010) https://doi.org/10.1117/12.841441
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

A one-dimensional periodic sub-wavelength structure (SWS) was fabricated on a glass plate by a glass-imprinting method. Thermal and optical properties of lithium bismuth gallium borate glasses were investigated for the development of glass suitable for the glass-imprinting method. It was found that refractive index and absorption edge energy showed additivity for glass composition and that the substitution of fluorine atoms for oxygen atoms reduced deformation temperature and increase transparency near uv region. The glass had a refractive index higher than 1.80 at 587 nm, internal transmittance higher than 80% (3 mm in thickness) at 400 nm, and deformation temperature lower than 470°C was obtained. A one-dimensional SWS with a period of 300 nm on an SiC mold was transferred to the glass surface by the glass-imprinting method, which showed the phase retardation due to form birefringence.

Citation Download Citation

N. Yamashita, T. Suetsugu, N. Kitamura, K. Fukumi, and J. Nishii "Fabrication of one-dimensional SWS on bismuth borate glass by glass-imprinting method", Proc. SPIE 7598, Optical Components and Materials VII, 75981S (25 February 2010); https://doi.org/10.1117/12.841441

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