Fabrication and Properties of Nano-photonic Glasses Controlled by High Temperature Deformation Process

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Low-softening transparent tin phosphate (SP) glasses were prepared and their basic physical properties such as glass transition temperature, refractive index, and viscosity were evaluated. Effect of thermal imprinting conditions on fabricated micro square grid (SG) patterns was studied for SP glasses. Fabrication conditions were optimized by the three processing parameters of temperature, imprinting pressure, and holding time for the SG patterns with good reproducibility. The white light was reflected selectively for different wavelengths by changing the incident angle of light into the part of sub-micro dot patterns thermally-imprinted on the SP glass.