Image 1 (IMAGE)

Singapore University of Technology and Design

Image 1

Caption

Nanoscale 3D printing of glass. (A) Main chemical composition of the Glass-Nano resin. (B)  Schematic of the printing and sintering process. TPL was used to polymerize the resin to 3D microstructure. After printing, the structure was heated in air to remove the organic composition, and oxygen reacts with silicon within the structure to form silica. (C and D) Tilt view (left), high magnification tilt view (middle), and top view (right) scanning electron microscope (SEM) images of the as-printed (C) and sintered (D) diamond PhCs. The PhC in (C) has 20 units in the lateral direction and 40 units in the vertical direction. (E)  Optical micrographs of the sintered diamond PhCs with different pitches. Scales bars in (E) represent 5 µm. (F)  Measured absolute reflectance spectra of the corresponding PhCs in (E) using a 10× objective lens with a numerical aperture (NA) of 0.3. The reflectance of spectra was normalized to a silver mirror reference.

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SUTD

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