April 2020 Issue
Feature Articles
Nanophotonic Biosensors: Driving Personalized Medicine
Point-of-care photonic biosensors could promote more integrated, informative, timely and precise diagnoses of human diseases—and better-targeted health care.
by Maria Soler, Olalla Calvo-Lozano, M.-Carmen Estevez and Laura M. Lechuga
Hyperspectral Imaging Meets Biomedicine
Scientists are modifying optical and data-processing techniques from Earth remote sensing and bringing them down to the level of cells and tissues.
by Patricia Daukantas
The organizers and attendees of an all-virtual, free-of-charge scientific conference consider the future of the format.
by Molly MoserDepartments and Columns
Atomic-scale resolution in space and time / Deep-UV laser diode / Analyzing moon dust / Long-wave photodetector / Seeing sprays two ways / Photonics aids sustainability / Smartphones and 3D sensing / Hyper-spectral imaging of butterfly wings
R&D Investment: Funding Global Health
The global impact of the current coronavirus outbreak, on top of ongoing viruses like the seasonal flu and the very real possibility of an even stronger novel virus arriving in the future, highlights the importance of scientific research in maintaining world health. Here we look at global investment in R&D—our path to staying ahead of the next crisis.
Shifting Policies in the U.S. Impact Science
Scientific advancement and international collaborations are feeling the negative effects of increasingly difficult visa and travel policies in the U.S.
A surveylooks at the current state of the quantum photonics market and provides insight on how commercialization may advance.
Speeding up light-sheet imaging of live biological specimens.
Also in this Issue
30, 20, and 10 Years Ago in OPN
The 0-fs pulse; black silicon; optics in dentistry
Student chapters celebrate women in STEM / Toward a more inclusive CLEO / Keller awarded Ives medal / OSA Fellows stories / Celebrating engineers / Spotlight on student chapters in Spain / IDL: See the light / Thank you, editors and volunteers.
![Manual probe system with needles for test of semiconductor on silicon wafer. [A. Morozov / Getty]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1125/departments/202511-cover-web.jpg?ext=.jpg)
![Researcher Clara Saraceno in the lab. [Image by Carsten Behler Photography]](https://opnmedia.blob.core.windows.net/$web/opn/media/images/articles/2025/1025/departments/202510-cover-web.jpg?ext=.jpg)
