 Broadly tunable external cavity quantum cascade lasers perform microscopic imaging of nanogram-scale particles, with chemical identification based on spectroscopy. 8 February 2012
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 A solid solution of zinc sulfide in zinc oxide significantly increases the absorbance of light and results in a dramatic increase in the plateau current for a photoanode nanowire array. 6 February 2012
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 Deformable mirrors, similar to those used for ground adaptive optics, can be used in a space telescope to create dark regions near a star where companion planets can be imaged. 2 February 2012
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 Numerical lithography approaches in micromanufacturing make it possible to complement or replace test exposures and to optimize mask layouts and illumination systems. 30 January 2012
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 Planar antennas have achieved near-unity collection of single photons, which may open many applications in opto-electronics, quantum optics, spectroscopy, imaging, and metrology. 30 January 2012
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 Measurement uncertainty quantifies performance-related doubt and evaluates the reliability of a direct laser lithography system. 20 January 2012
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