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What to Know About Dental Fillings: Materials, Techniques, and Long-Term Results
A 2023 randomized controlled trial in the Journal of Dentistry found that the bulk-fill base technique reduced procedure time ...
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Vertical-cavity surface-emitting lasers with spatially adjustable DBR reflectivity to enable free-space photonic repeaters - IEEE Xplore
Abstract: We have created bidirectional high-performance top- and bottom-emitting vertical-cavity surface-emitting lasers (VCSELs) from a single epitaxial wafer. Using a spatially selective oxidation ...