April 2024 Issue
Feature Articles
Mapping Biology with Spatial Omics
A recent explosion of spatial profiling techniques—largely enabled by optics and photonics technologies—gives biologists an unprecedented view of single cells and tissues.
by Meeri Kim
Structured Colors with Dielectric Nanoresonators
Nano-optic features such as nanopillars, subwavelength resonators and Mie voids are all emerging as new tools for creating realistic, durable and environmentally sound alternatives to traditional pigments.
by Joel Yang, Hao Wang, John Chan You En, Mario Hentschel and Yuri Kivshar
The Sagnac Effect
The story of an experiment that might have kept Einstein awake at night—but that paved the way for the dawn of optical gyroscopes and that could enable future gravitational-wave detectors.
by Farhad HakimiDepartments and Columns
Research and Industry News
Optical Lagrange points / Compact biometrics / Quantum memory / Multifocal lenses / Large-format metalens / Industry news
Structural Color in Nature
Much of the vibrant color present in nature results from the physical interaction of light with nanostructured materials—producing some of the beautiful displays of color seen here.
Inspiring a Better Future
Fabian Ruf, the 2023 recipient of the Optica Foundation’s Chang Pivoting Fellowship, is passionate about transforming the world through education.
A Live Look at the Reproductive System
At the upcoming Optica Biophotonics Congress, Irina Larina will talk about dynamic optical coherence tomography for in vivo imaging of the fallopian tubes.
The Two Biomedical Markets
The optics technologies used in both patient care and medical research provide an opportunity to help underserved populations.
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Also in this Issue
The Dream of Fusion Energy
It is remarkable that optics and photonics, like no other field, is paving the way for future technologies.
30, 20, and 10 Years Ago in OPN
Interconnected computing; 3D imaging; a gigapixel superscope.
News from the Society
Photonics techncians / Optics Continuum editor-in-chief / Optica incubator / NAE inductees / Knight new Honorary Member / Corning scholarship / OFC Li Prize / Optica Fellow stories / CLEO diversity and inclusion / Career Accelerator / Thank you, editors and meeting chairs
James C. Wyant, 1943–2023
Remembering a leader, engineer, entrepreneur and philanthropist in optics.
Thank You to Our Donors
We fundamentally believe in the importance of cultivating the next generation of optics and photonics.
Galactic Tapestry
A view of superheated gas and magnetic fields at the center of the Milky Way galaxy.
