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Physics
Researchers Simulate Novel Metal-Filtered VCSEL Mode Control
Structure of MMF-VCSEL. Credit: Sensors (2024). DOI: 10.3390/s24144700 A study led by researchers from the Changchun Institute of Optics, Precision Mechanics and Physics, Chinese Academy of Sciences, has revealed a new metal-dielectric film mode filter structure that allows for flexible control of the transverse modes of vertical-cavity surface-emitting lasers (VCSELs), demonstrating the potential of metal apertures for enhanced mode control…
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Earth
Clouds impeding the propagation of the Southern Annular Mode
Changes in CRE heating rate and zonal mean circulation index due to cloud lock-in. Source: Journal of Geophysical Research: Atmospheres (2024). DOI: 10.1029/2023JD040428 The Southern Annular Mode (SAM), characterized by an iconic bipolar zonal wind pattern around the storm track axis, is the most dominant mode of variability regulating weather and winds from the subtropics to the poles. Its origin,…
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