A new architecture for ternary phase/amplitude spatial light modulation is presented. Based on a polarizationmodulating spatial light modulator, the new architecture may be realized by using available spatial light modulators and additional optics.
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http://dx.doi.org/10.1364/AO.30.004596 | DOI Listing |
Light Sci Appl
January 2025
Department of Electrical Engineering, City University of Hong Kong, Kowloon, Hong Kong SAR, China.
Combining bright-field and edge-enhanced imaging affords an effective avenue for extracting complex morphological information from objects, which is particularly beneficial for biological imaging. Multiplexing meta-lenses present promising candidates for achieving this functionality. However, current multiplexing meta-lenses lack spectral modulation, and crosstalk between different wavelengths hampers the imaging quality, especially for biological samples requiring precise wavelength specificity.
View Article and Find Full Text PDFProc Natl Acad Sci U S A
February 2025
Courant Institute for Mathematical Sciences and Department of Biology, New York University, New York, NY 10012.
Accurate chromosome segregation in mitosis depends on proper connections of sister chromatids, through microtubules, to the opposite poles of the early mitotic spindle. Transiently, many inaccurate connections are formed and rapidly corrected throughout the mitotic stages, but a small number of merotelic connections, in which a chromatid is connected to both spindle poles, remain lagging at the spindle's equator in anaphase. Most of the lagging chromatids are eventually moved to one or the other pole, likely by a combination of microtubules' turnover and the brute force of pulling by the microtubules' majority from the one pole against the microtubules' minority from the other pole.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
January 2025
University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, the Netherlands.
Mol Biol Evol
January 2025
UMR 8222 LECOB CNRS-Sorbonne Université, Observatoire Océanologique de Banyuls, Avenue du Fontaulé, 66650, Banyuls-sur-mer, France.
How the interplay of biotic and abiotic factors shapes current genetic diversity at the community level remains an open question, particularly in the deep sea. Comparative phylogeography of multiple species can reveal the influence of past climatic events, geographic barriers, and species life history traits on spatial patterns of genetic structure across lineages. To shed light on the factors that shape community-level genetic variation and to improve our understanding of deep-sea biogeographic patterns, we conducted a comparative population genomics study on seven hydrothermal vent species co-distributed in the Back-Arc Basins (BABs) of the Southwest Pacific region.
View Article and Find Full Text PDFChem Commun (Camb)
January 2025
Engineering Research Center of Ministry of Education for Geological Carbon Storage and Low Carbon Utilization of Resources, Beijing Key Laboratory of Materials Utilization of Nonmetallic Minerals and Solid Wastes, National Laboratory of Mineral Materials, School of Materials Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China.
Asymmetric carbon nitride (FCN) is developed by grafting strong electronegative small molecules onto CN. The introduction of these small molecules enhances the visible light absorption range and redistributes the charge density. Combining DRS, KPFM, and DFT results, it is revealed that the strong built-in electric field and the effective spatial separation of redox sites contribute to the directional charge separation and migration for superior photocatalytic H evolution.
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